20291416

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{587}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 39690000

約数和(自身を除く): 19398584

約数列:

[1, 2, 4, 8, 29, 58, 116, 149, 232, 298, 587, 596, 1174, 1192, 2348, 4321, 4696, 8642, 17023, 17284, 34046, 34568, 68092, 87463, 136184, 174926, 349852, 699704, 2536427, 5072854, 10145708, 20291416]

約数ペア:

[(1, 20291416), (2, 10145708), (4, 5072854), (8, 2536427), (29, 699704), (58, 349852), (116, 174926), (149, 136184), (232, 87463), (298, 68092), (587, 34568), (596, 34046), (1174, 17284), (1192, 17023), (2348, 8642), (4321, 4696)]