20720744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5743}}^1$

素因数の和:5801

約数の個数: 32

約数和(自身を含む): 43424640

約数和(自身を除く): 22703896

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 5743, 11486, 22972, 45944, 63173, 126346, 235463, 252692, 470926, 505384, 941852, 1883704, 2590093, 5180186, 10360372, 20720744]

約数ペア:

[(1, 20720744), (2, 10360372), (4, 5180186), (8, 2590093), (11, 1883704), (22, 941852), (41, 505384), (44, 470926), (82, 252692), (88, 235463), (164, 126346), (328, 63173), (451, 45944), (902, 22972), (1804, 11486), (3608, 5743)]