20145790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3643}}^1$

素因数の和:3736

約数の個数: 32

約数和(自身を含む): 41978880

約数和(自身を除く): 21833090

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 3643, 5530, 7286, 18215, 25501, 36430, 51002, 127505, 255010, 287797, 575594, 1438985, 2014579, 2877970, 4029158, 10072895, 20145790]

約数ペア:

[(1, 20145790), (2, 10072895), (5, 4029158), (7, 2877970), (10, 2014579), (14, 1438985), (35, 575594), (70, 287797), (79, 255010), (158, 127505), (395, 51002), (553, 36430), (790, 25501), (1106, 18215), (2765, 7286), (3643, 5530)]