20564696

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1699}}^1$

素因数の和:1811

約数の個数: 32

約数和(自身を含む): 41310000

約数和(自身を除く): 20745304

約数列:

[1, 2, 4, 8, 17, 34, 68, 89, 136, 178, 356, 712, 1513, 1699, 3026, 3398, 6052, 6796, 12104, 13592, 28883, 57766, 115532, 151211, 231064, 302422, 604844, 1209688, 2570587, 5141174, 10282348, 20564696]

約数ペア:

[(1, 20564696), (2, 10282348), (4, 5141174), (8, 2570587), (17, 1209688), (34, 604844), (68, 302422), (89, 231064), (136, 151211), (178, 115532), (356, 57766), (712, 28883), (1513, 13592), (1699, 12104), (3026, 6796), (3398, 6052)]