20677528

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 39645360

約数和(自身を除く): 18967832

約数列:

[1, 2, 4, 8, 101, 157, 163, 202, 314, 326, 404, 628, 652, 808, 1256, 1304, 15857, 16463, 25591, 31714, 32926, 51182, 63428, 65852, 102364, 126856, 131704, 204728, 2584691, 5169382, 10338764, 20677528]

約数ペア:

[(1, 20677528), (2, 10338764), (4, 5169382), (8, 2584691), (101, 204728), (157, 131704), (163, 126856), (202, 102364), (314, 65852), (326, 63428), (404, 51182), (628, 32926), (652, 31714), (808, 25591), (1256, 16463), (1304, 15857)]