20181540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{5701}}^1$

素因数の和:5772

約数の個数: 48

約数和(自身を含む): 57476160

約数和(自身を除く): 37294620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 354, 590, 708, 885, 1180, 1770, 3540, 5701, 11402, 17103, 22804, 28505, 34206, 57010, 68412, 85515, 114020, 171030, 336359, 342060, 672718, 1009077, 1345436, 1681795, 2018154, 3363590, 4036308, 5045385, 6727180, 10090770, 20181540]

約数ペア:

[(1, 20181540), (2, 10090770), (3, 6727180), (4, 5045385), (5, 4036308), (6, 3363590), (10, 2018154), (12, 1681795), (15, 1345436), (20, 1009077), (30, 672718), (59, 342060), (60, 336359), (118, 171030), (177, 114020), (236, 85515), (295, 68412), (354, 57010), (590, 34206), (708, 28505), (885, 22804), (1180, 17103), (1770, 11402), (3540, 5701)]