20121741392

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{9311}}^1\times {\mathrm{4357}}^1$

素因数の和:13707

約数の個数: 40

約数和(自身を含む): 40257042432

約数和(自身を除く): 20135301040

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 4357, 8714, 9311, 17428, 18622, 34856, 37244, 69712, 74488, 135067, 148976, 270134, 288641, 540268, 577282, 1080536, 1154564, 2161072, 2309128, 4618256, 40568027, 81136054, 162272108, 324544216, 649088432, 1257608837, 2515217674, 5030435348, 10060870696, 20121741392]

約数ペア:

[(1, 20121741392), (2, 10060870696), (4, 5030435348), (8, 2515217674), (16, 1257608837), (31, 649088432), (62, 324544216), (124, 162272108), (248, 81136054), (496, 40568027), (4357, 4618256), (8714, 2309128), (9311, 2161072), (17428, 1154564), (18622, 1080536), (34856, 577282), (37244, 540268), (69712, 288641), (74488, 270134), (135067, 148976)]