20663344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2423}}^1$

素因数の和:2485

約数の個数: 40

約数和(自身を含む): 44184672

約数和(自身を除く): 23521328

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 2132, 2423, 4264, 4846, 8528, 9692, 19384, 31499, 38768, 62998, 99343, 125996, 198686, 251992, 397372, 503984, 794744, 1291459, 1589488, 2582918, 5165836, 10331672, 20663344]

約数ペア:

[(1, 20663344), (2, 10331672), (4, 5165836), (8, 2582918), (13, 1589488), (16, 1291459), (26, 794744), (41, 503984), (52, 397372), (82, 251992), (104, 198686), (164, 125996), (208, 99343), (328, 62998), (533, 38768), (656, 31499), (1066, 19384), (2132, 9692), (2423, 8528), (4264, 4846)]