19856680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29201}}^1$

素因数の和:29229

約数の個数: 32

約数和(自身を含む): 47307240

約数和(自身を除く): 27450560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29201, 58402, 116804, 146005, 233608, 292010, 496417, 584020, 992834, 1168040, 1985668, 2482085, 3971336, 4964170, 9928340, 19856680]

約数ペア:

[(1, 19856680), (2, 9928340), (4, 4964170), (5, 3971336), (8, 2482085), (10, 1985668), (17, 1168040), (20, 992834), (34, 584020), (40, 496417), (68, 292010), (85, 233608), (136, 146005), (170, 116804), (340, 58402), (680, 29201)]