2018721820

素因数分解:

$2^2\times 5^1\times {\mathrm{13417}}^1\times {\mathrm{7523}}^1$

素因数の和:20949

約数の個数: 24

約数和(自身を含む): 4240195344

約数和(自身を除く): 2221473524

約数列:

[1, 2, 4, 5, 10, 20, 7523, 13417, 15046, 26834, 30092, 37615, 53668, 67085, 75230, 134170, 150460, 268340, 100936091, 201872182, 403744364, 504680455, 1009360910, 2018721820]

約数ペア:

[(1, 2018721820), (2, 1009360910), (4, 504680455), (5, 403744364), (10, 201872182), (20, 100936091), (7523, 268340), (13417, 150460), (15046, 134170), (26834, 75230), (30092, 67085), (37615, 53668)]