20171156620

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1103}}^1\times {\mathrm{3301}}^1$

素因数の和:4690

約数の個数: 48

約数和(自身を含む): 42563783808

約数和(自身を除く): 22392627188

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1103, 1108, 1385, 2206, 2770, 3301, 4412, 5515, 5540, 6602, 11030, 13204, 16505, 22060, 33010, 66020, 305531, 611062, 914377, 1222124, 1527655, 1828754, 3055310, 3641003, 3657508, 4571885, 6110620, 7282006, 9143770, 14564012, 18205015, 18287540, 36410030, 72820060, 1008557831, 2017115662, 4034231324, 5042789155, 10085578310, 20171156620]

約数ペア:

[(1, 20171156620), (2, 10085578310), (4, 5042789155), (5, 4034231324), (10, 2017115662), (20, 1008557831), (277, 72820060), (554, 36410030), (1103, 18287540), (1108, 18205015), (1385, 14564012), (2206, 9143770), (2770, 7282006), (3301, 6110620), (4412, 4571885), (5515, 3657508), (5540, 3641003), (6602, 3055310), (11030, 1828754), (13204, 1527655), (16505, 1222124), (22060, 914377), (33010, 611062), (66020, 305531)]