20143640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2693}}^1$

素因数の和:2732

約数の個数: 64

約数和(自身を含む): 52371360

約数和(自身を除く): 32227720

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 2693, 3740, 5386, 7480, 10772, 13465, 21544, 26930, 29623, 45781, 53860, 59246, 91562, 107720, 118492, 148115, 183124, 228905, 236984, 296230, 366248, 457810, 503591, 592460, 915620, 1007182, 1184920, 1831240, 2014364, 2517955, 4028728, 5035910, 10071820, 20143640]

約数ペア:

[(1, 20143640), (2, 10071820), (4, 5035910), (5, 4028728), (8, 2517955), (10, 2014364), (11, 1831240), (17, 1184920), (20, 1007182), (22, 915620), (34, 592460), (40, 503591), (44, 457810), (55, 366248), (68, 296230), (85, 236984), (88, 228905), (110, 183124), (136, 148115), (170, 118492), (187, 107720), (220, 91562), (340, 59246), (374, 53860), (440, 45781), (680, 29623), (748, 26930), (935, 21544), (1496, 13465), (1870, 10772), (2693, 7480), (3740, 5386)]