20621201328

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{12391}}^1$

素因数の和:12552

約数の個数: 240

約数和(自身を含む): 71593639936

約数和(自身を除く): 50972438608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 104, 112, 117, 126, 127, 144, 156, 168, 182, 208, 234, 252, 254, 273, 312, 336, 364, 381, 468, 504, 508, 546, 624, 728, 762, 819, 889, 936, 1008, 1016, 1092, 1143, 1456, 1524, 1638, 1651, 1778, 1872, 2032, 2184, 2286, 2667, 3048, 3276, 3302, 3556, 4368, 4572, 4953, 5334, 6096, 6552, 6604, 7112, 8001, 9144, 9906, 10668, 11557, 12391, 13104, 13208, 14224, 14859, 16002, 18288, 19812, 21336, 23114, 24782, 26416, 29718, 32004, 34671, 37173, 39624, 42672, 46228, 49564, 59436, 64008, 69342, 74346, 79248, 86737, 92456, 99128, 104013, 111519, 118872, 128016, 138684, 148692, 161083, 173474, 184912, 198256, 208026, 223038, 237744, 260211, 277368, 297384, 322166, 346948, 416052, 446076, 483249, 520422, 554736, 594768, 644332, 693896, 780633, 832104, 892152, 966498, 1040844, 1127581, 1288664, 1387792, 1449747, 1561266, 1573657, 1664208, 1784304, 1932996, 2081688, 2255162, 2577328, 2899494, 3122532, 3147314, 3382743, 3865992, 4163376, 4510324, 4720971, 5798988, 6245064, 6294628, 6765486, 7731984, 9020648, 9441942, 10148229, 11015599, 11597976, 12490128, 12589256, 13530972, 14162913, 18041296, 18883884, 20296458, 20457541, 22031198, 23195952, 25178512, 27061944, 28325826, 33046797, 37767768, 40592916, 40915082, 44062396, 54123888, 56651652, 61372623, 66093594, 75535536, 81185832, 81830164, 88124792, 99140391, 113303304, 122745246, 132187188, 143202787, 162371664, 163660328, 176249584, 184117869, 198280782, 226606608, 245490492, 264374376, 286405574, 327320656, 368235738, 396561564, 429608361, 490980984, 528748752, 572811148, 736471476, 793123128, 859216722, 981961968, 1145622296, 1288825083, 1472942952, 1586246256, 1718433444, 2291244592, 2577650166, 2945885904, 3436866888, 5155300332, 6873733776, 10310600664, 20621201328]

約数ペア:

[(1, 20621201328), (2, 10310600664), (3, 6873733776), (4, 5155300332), (6, 3436866888), (7, 2945885904), (8, 2577650166), (9, 2291244592), (12, 1718433444), (13, 1586246256), (14, 1472942952), (16, 1288825083), (18, 1145622296), (21, 981961968), (24, 859216722), (26, 793123128), (28, 736471476), (36, 572811148), (39, 528748752), (42, 490980984), (48, 429608361), (52, 396561564), (56, 368235738), (63, 327320656), (72, 286405574), (78, 264374376), (84, 245490492), (91, 226606608), (104, 198280782), (112, 184117869), (117, 176249584), (126, 163660328), (127, 162371664), (144, 143202787), (156, 132187188), (168, 122745246), (182, 113303304), (208, 99140391), (234, 88124792), (252, 81830164), (254, 81185832), (273, 75535536), (312, 66093594), (336, 61372623), (364, 56651652), (381, 54123888), (468, 44062396), (504, 40915082), (508, 40592916), (546, 37767768), (624, 33046797), (728, 28325826), (762, 27061944), (819, 25178512), (889, 23195952), (936, 22031198), (1008, 20457541), (1016, 20296458), (1092, 18883884), (1143, 18041296), (1456, 14162913), (1524, 13530972), (1638, 12589256), (1651, 12490128), (1778, 11597976), (1872, 11015599), (2032, 10148229), (2184, 9441942), (2286, 9020648), (2667, 7731984), (3048, 6765486), (3276, 6294628), (3302, 6245064), (3556, 5798988), (4368, 4720971), (4572, 4510324), (4953, 4163376), (5334, 3865992), (6096, 3382743), (6552, 3147314), (6604, 3122532), (7112, 2899494), (8001, 2577328), (9144, 2255162), (9906, 2081688), (10668, 1932996), (11557, 1784304), (12391, 1664208), (13104, 1573657), (13208, 1561266), (14224, 1449747), (14859, 1387792), (16002, 1288664), (18288, 1127581), (19812, 1040844), (21336, 966498), (23114, 892152), (24782, 832104), (26416, 780633), (29718, 693896), (32004, 644332), (34671, 594768), (37173, 554736), (39624, 520422), (42672, 483249), (46228, 446076), (49564, 416052), (59436, 346948), (64008, 322166), (69342, 297384), (74346, 277368), (79248, 260211), (86737, 237744), (92456, 223038), (99128, 208026), (104013, 198256), (111519, 184912), (118872, 173474), (128016, 161083), (138684, 148692)]