20161289392

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{1627}}^1\times {\mathrm{4933}}^1$

素因数の和:6725

約数の個数: 40

約数和(自身を含む): 39343439696

約数和(自身を除く): 19182150304

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 1627, 2512, 3254, 4933, 6508, 9866, 13016, 19732, 26032, 39464, 78928, 255439, 510878, 774481, 1021756, 1548962, 2043512, 3097924, 4087024, 6195848, 8025991, 12391696, 16051982, 32103964, 64207928, 128415856, 1260080587, 2520161174, 5040322348, 10080644696, 20161289392]

約数ペア:

[(1, 20161289392), (2, 10080644696), (4, 5040322348), (8, 2520161174), (16, 1260080587), (157, 128415856), (314, 64207928), (628, 32103964), (1256, 16051982), (1627, 12391696), (2512, 8025991), (3254, 6195848), (4933, 4087024), (6508, 3097924), (9866, 2043512), (13016, 1548962), (19732, 1021756), (26032, 774481), (39464, 510878), (78928, 255439)]