20447154

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:126

約数の個数: 160

約数和(自身を含む): 60170880

約数和(自身を除く): 39723726

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 27, 38, 39, 42, 54, 57, 63, 73, 78, 81, 91, 114, 117, 126, 133, 146, 162, 171, 182, 189, 219, 234, 247, 266, 273, 342, 351, 378, 399, 438, 494, 511, 513, 546, 567, 657, 702, 741, 798, 819, 949, 1022, 1026, 1053, 1134, 1197, 1314, 1387, 1482, 1533, 1539, 1638, 1729, 1898, 1971, 2106, 2223, 2394, 2457, 2774, 2847, 3066, 3078, 3458, 3591, 3942, 4161, 4446, 4599, 4914, 5187, 5694, 5913, 6643, 6669, 7182, 7371, 8322, 8541, 9198, 9709, 10374, 10773, 11826, 12483, 13286, 13338, 13797, 14742, 15561, 17082, 18031, 19418, 19929, 20007, 21546, 24966, 25623, 27594, 29127, 31122, 36062, 37449, 39858, 40014, 41391, 46683, 51246, 54093, 58254, 59787, 74898, 76869, 82782, 87381, 93366, 108186, 112347, 119574, 126217, 140049, 153738, 162279, 174762, 179361, 224694, 252434, 262143, 280098, 324558, 358722, 378651, 486837, 524286, 538083, 757302, 786429, 973674, 1076166, 1135953, 1460511, 1572858, 2271906, 2921022, 3407859, 6815718, 10223577, 20447154]

約数ペア:

[(1, 20447154), (2, 10223577), (3, 6815718), (6, 3407859), (7, 2921022), (9, 2271906), (13, 1572858), (14, 1460511), (18, 1135953), (19, 1076166), (21, 973674), (26, 786429), (27, 757302), (38, 538083), (39, 524286), (42, 486837), (54, 378651), (57, 358722), (63, 324558), (73, 280098), (78, 262143), (81, 252434), (91, 224694), (114, 179361), (117, 174762), (126, 162279), (133, 153738), (146, 140049), (162, 126217), (171, 119574), (182, 112347), (189, 108186), (219, 93366), (234, 87381), (247, 82782), (266, 76869), (273, 74898), (342, 59787), (351, 58254), (378, 54093), (399, 51246), (438, 46683), (494, 41391), (511, 40014), (513, 39858), (546, 37449), (567, 36062), (657, 31122), (702, 29127), (741, 27594), (798, 25623), (819, 24966), (949, 21546), (1022, 20007), (1026, 19929), (1053, 19418), (1134, 18031), (1197, 17082), (1314, 15561), (1387, 14742), (1482, 13797), (1533, 13338), (1539, 13286), (1638, 12483), (1729, 11826), (1898, 10773), (1971, 10374), (2106, 9709), (2223, 9198), (2394, 8541), (2457, 8322), (2774, 7371), (2847, 7182), (3066, 6669), (3078, 6643), (3458, 5913), (3591, 5694), (3942, 5187), (4161, 4914), (4446, 4599)]