20805648010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1332841}}^1$

素因数の和:1333078

約数の個数: 32

約数和(自身を含む): 42992151552

約数和(自身を除く): 22186503542

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 223, 446, 1115, 1561, 2230, 3122, 7805, 15610, 1332841, 2665682, 6664205, 9329887, 13328410, 18659774, 46649435, 93298870, 297223543, 594447086, 1486117715, 2080564801, 2972235430, 4161129602, 10402824005, 20805648010]

約数ペア:

[(1, 20805648010), (2, 10402824005), (5, 4161129602), (7, 2972235430), (10, 2080564801), (14, 1486117715), (35, 594447086), (70, 297223543), (223, 93298870), (446, 46649435), (1115, 18659774), (1561, 13328410), (2230, 9329887), (3122, 6664205), (7805, 2665682), (15610, 1332841)]