20171421712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{11087}}^1\times {\mathrm{8747}}^1$

素因数の和:19855

約数の個数: 40

約数和(自身を含む): 42097055616

約数和(自身を除く): 21925633904

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 8747, 11087, 17494, 22174, 34988, 44348, 69976, 88696, 113711, 139952, 144131, 177392, 227422, 288262, 454844, 576524, 909688, 1153048, 1819376, 2306096, 96977989, 193955978, 387911956, 775823912, 1260713857, 1551647824, 2521427714, 5042855428, 10085710856, 20171421712]

約数ペア:

[(1, 20171421712), (2, 10085710856), (4, 5042855428), (8, 2521427714), (13, 1551647824), (16, 1260713857), (26, 775823912), (52, 387911956), (104, 193955978), (208, 96977989), (8747, 2306096), (11087, 1819376), (17494, 1153048), (22174, 909688), (34988, 576524), (44348, 454844), (69976, 288262), (88696, 227422), (113711, 177392), (139952, 144131)]