20409608

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 39152160

約数和(自身を除く): 18742552

約数列:

[1, 2, 4, 8, 107, 113, 211, 214, 226, 422, 428, 452, 844, 856, 904, 1688, 12091, 22577, 23843, 24182, 45154, 47686, 48364, 90308, 95372, 96728, 180616, 190744, 2551201, 5102402, 10204804, 20409608]

約数ペア:

[(1, 20409608), (2, 10204804), (4, 5102402), (8, 2551201), (107, 190744), (113, 180616), (211, 96728), (214, 95372), (226, 90308), (422, 48364), (428, 47686), (452, 45154), (844, 24182), (856, 23843), (904, 22577), (1688, 12091)]