20318009088

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{65647}}^1$

素因数の和:65710

約数の個数: 144

約数和(自身を含む): 60114661376

約数和(自身を除く): 39796652288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 156, 186, 192, 208, 248, 256, 312, 372, 384, 403, 416, 496, 624, 744, 768, 806, 832, 992, 1209, 1248, 1488, 1612, 1664, 1984, 2418, 2496, 2976, 3224, 3328, 3968, 4836, 4992, 5952, 6448, 7936, 9672, 9984, 11904, 12896, 19344, 23808, 25792, 38688, 51584, 65647, 77376, 103168, 131294, 154752, 196941, 262588, 309504, 393882, 525176, 787764, 853411, 1050352, 1575528, 1706822, 2035057, 2100704, 2560233, 3151056, 3413644, 4070114, 4201408, 5120466, 6105171, 6302112, 6827288, 8140228, 8402816, 10240932, 12210342, 12604224, 13654576, 16280456, 16805632, 20481864, 24420684, 25208448, 26455741, 27309152, 32560912, 40963728, 48841368, 50416896, 52911482, 54618304, 65121824, 79367223, 81927456, 97682736, 105822964, 109236608, 130243648, 158734446, 163854912, 195365472, 211645928, 218473216, 260487296, 317468892, 327709824, 390730944, 423291856, 520974592, 634937784, 655419648, 781461888, 846583712, 1269875568, 1562923776, 1693167424, 2539751136, 3386334848, 5079502272, 6772669696, 10159004544, 20318009088]

約数ペア:

[(1, 20318009088), (2, 10159004544), (3, 6772669696), (4, 5079502272), (6, 3386334848), (8, 2539751136), (12, 1693167424), (13, 1562923776), (16, 1269875568), (24, 846583712), (26, 781461888), (31, 655419648), (32, 634937784), (39, 520974592), (48, 423291856), (52, 390730944), (62, 327709824), (64, 317468892), (78, 260487296), (93, 218473216), (96, 211645928), (104, 195365472), (124, 163854912), (128, 158734446), (156, 130243648), (186, 109236608), (192, 105822964), (208, 97682736), (248, 81927456), (256, 79367223), (312, 65121824), (372, 54618304), (384, 52911482), (403, 50416896), (416, 48841368), (496, 40963728), (624, 32560912), (744, 27309152), (768, 26455741), (806, 25208448), (832, 24420684), (992, 20481864), (1209, 16805632), (1248, 16280456), (1488, 13654576), (1612, 12604224), (1664, 12210342), (1984, 10240932), (2418, 8402816), (2496, 8140228), (2976, 6827288), (3224, 6302112), (3328, 6105171), (3968, 5120466), (4836, 4201408), (4992, 4070114), (5952, 3413644), (6448, 3151056), (7936, 2560233), (9672, 2100704), (9984, 2035057), (11904, 1706822), (12896, 1575528), (19344, 1050352), (23808, 853411), (25792, 787764), (38688, 525176), (51584, 393882), (65647, 309504), (77376, 262588), (103168, 196941), (131294, 154752)]