20008909544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{59399}}^1$

素因数の和:59538

約数の個数: 64

約数和(自身を含む): 41912640000

約数和(自身を除く): 21903730456

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 79, 82, 104, 158, 164, 316, 328, 533, 632, 1027, 1066, 2054, 2132, 3239, 4108, 4264, 6478, 8216, 12956, 25912, 42107, 59399, 84214, 118798, 168428, 237596, 336856, 475192, 772187, 1544374, 2435359, 3088748, 4692521, 4870718, 6177496, 9385042, 9741436, 18770084, 19482872, 31659667, 37540168, 61002773, 63319334, 122005546, 126638668, 192393361, 244011092, 253277336, 384786722, 488022184, 769573444, 1539146888, 2501113693, 5002227386, 10004454772, 20008909544]

約数ペア:

[(1, 20008909544), (2, 10004454772), (4, 5002227386), (8, 2501113693), (13, 1539146888), (26, 769573444), (41, 488022184), (52, 384786722), (79, 253277336), (82, 244011092), (104, 192393361), (158, 126638668), (164, 122005546), (316, 63319334), (328, 61002773), (533, 37540168), (632, 31659667), (1027, 19482872), (1066, 18770084), (2054, 9741436), (2132, 9385042), (3239, 6177496), (4108, 4870718), (4264, 4692521), (6478, 3088748), (8216, 2435359), (12956, 1544374), (25912, 772187), (42107, 475192), (59399, 336856), (84214, 237596), (118798, 168428)]