20143478780

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{277}}^1\times {\mathrm{13417}}^1$

素因数の和:13974

約数の個数: 48

約数和(自身を含む): 42613850496

約数和(自身を除く): 22470371716

約数列:

[1, 2, 4, 5, 10, 20, 271, 277, 542, 554, 1084, 1108, 1355, 1385, 2710, 2770, 5420, 5540, 13417, 26834, 53668, 67085, 75067, 134170, 150134, 268340, 300268, 375335, 750670, 1501340, 3636007, 3716509, 7272014, 7433018, 14544028, 14866036, 18180035, 18582545, 36360070, 37165090, 72720140, 74330180, 1007173939, 2014347878, 4028695756, 5035869695, 10071739390, 20143478780]

約数ペア:

[(1, 20143478780), (2, 10071739390), (4, 5035869695), (5, 4028695756), (10, 2014347878), (20, 1007173939), (271, 74330180), (277, 72720140), (542, 37165090), (554, 36360070), (1084, 18582545), (1108, 18180035), (1355, 14866036), (1385, 14544028), (2710, 7433018), (2770, 7272014), (5420, 3716509), (5540, 3636007), (13417, 1501340), (26834, 750670), (53668, 375335), (67085, 300268), (75067, 268340), (134170, 150134)]