20064080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14753}}^1$

素因数の和:14783

約数の個数: 40

約数和(自身を含む): 49396392

約数和(自身を除く): 29332312

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14753, 29506, 59012, 73765, 118024, 147530, 236048, 250801, 295060, 501602, 590120, 1003204, 1180240, 1254005, 2006408, 2508010, 4012816, 5016020, 10032040, 20064080]

約数ペア:

[(1, 20064080), (2, 10032040), (4, 5016020), (5, 4012816), (8, 2508010), (10, 2006408), (16, 1254005), (17, 1180240), (20, 1003204), (34, 590120), (40, 501602), (68, 295060), (80, 250801), (85, 236048), (136, 147530), (170, 118024), (272, 73765), (340, 59012), (680, 29506), (1360, 14753)]