20105683430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{398369}}^1$

素因数の和:398493

約数の個数: 48

約数和(自身を含む): 42507672480

約数和(自身を除く): 22401989050

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 103, 206, 245, 490, 515, 721, 1030, 1442, 3605, 5047, 7210, 10094, 25235, 50470, 398369, 796738, 1991845, 2788583, 3983690, 5577166, 13942915, 19520081, 27885830, 39040162, 41032007, 82064014, 97600405, 195200810, 205160035, 287224049, 410320070, 574448098, 1436120245, 2010568343, 2872240490, 4021136686, 10052841715, 20105683430]

約数ペア:

[(1, 20105683430), (2, 10052841715), (5, 4021136686), (7, 2872240490), (10, 2010568343), (14, 1436120245), (35, 574448098), (49, 410320070), (70, 287224049), (98, 205160035), (103, 195200810), (206, 97600405), (245, 82064014), (490, 41032007), (515, 39040162), (721, 27885830), (1030, 19520081), (1442, 13942915), (3605, 5577166), (5047, 3983690), (7210, 2788583), (10094, 1991845), (25235, 796738), (50470, 398369)]