20175021580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1824143}}^1$

素因数の和:1824238

約数の個数: 48

約数和(自身を含む): 49032990720

約数和(自身を除く): 28857969140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 1824143, 3648286, 7296572, 9120715, 12769001, 18241430, 25538002, 36482860, 51076004, 63845005, 127690010, 144107297, 255380020, 288214594, 576429188, 720536485, 1008751079, 1441072970, 2017502158, 2882145940, 4035004316, 5043755395, 10087510790, 20175021580]

約数ペア:

[(1, 20175021580), (2, 10087510790), (4, 5043755395), (5, 4035004316), (7, 2882145940), (10, 2017502158), (14, 1441072970), (20, 1008751079), (28, 720536485), (35, 576429188), (70, 288214594), (79, 255380020), (140, 144107297), (158, 127690010), (316, 63845005), (395, 51076004), (553, 36482860), (790, 25538002), (1106, 18241430), (1580, 12769001), (2212, 9120715), (2765, 7296572), (5530, 3648286), (11060, 1824143)]