20197730288

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{3449}}^1$

素因数の和:3690

約数の個数: 80

約数和(自身を含む): 40966128000

約数和(自身を除く): 20768397712

約数列:

[1, 2, 4, 8, 16, 41, 79, 82, 113, 158, 164, 226, 316, 328, 452, 632, 656, 904, 1264, 1808, 3239, 3449, 4633, 6478, 6898, 8927, 9266, 12956, 13796, 17854, 18532, 25912, 27592, 35708, 37064, 51824, 55184, 71416, 74128, 141409, 142832, 272471, 282818, 366007, 389737, 544942, 565636, 732014, 779474, 1089884, 1131272, 1464028, 1558948, 2179768, 2262544, 2928056, 3117896, 4359536, 5856112, 6235792, 11171311, 15979217, 22342622, 30789223, 31958434, 44685244, 61578446, 63916868, 89370488, 123156892, 127833736, 178740976, 246313784, 255667472, 492627568, 1262358143, 2524716286, 5049432572, 10098865144, 20197730288]

約数ペア:

[(1, 20197730288), (2, 10098865144), (4, 5049432572), (8, 2524716286), (16, 1262358143), (41, 492627568), (79, 255667472), (82, 246313784), (113, 178740976), (158, 127833736), (164, 123156892), (226, 89370488), (316, 63916868), (328, 61578446), (452, 44685244), (632, 31958434), (656, 30789223), (904, 22342622), (1264, 15979217), (1808, 11171311), (3239, 6235792), (3449, 5856112), (4633, 4359536), (6478, 3117896), (6898, 2928056), (8927, 2262544), (9266, 2179768), (12956, 1558948), (13796, 1464028), (17854, 1131272), (18532, 1089884), (25912, 779474), (27592, 732014), (35708, 565636), (37064, 544942), (51824, 389737), (55184, 366007), (71416, 282818), (74128, 272471), (141409, 142832)]