20516572010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{352579}}^1$

素因数の和:352643

約数の個数: 48

約数和(自身を含む): 42114975840

約数和(自身を除く): 21598403830

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 529, 1058, 1265, 2530, 2645, 5290, 5819, 11638, 29095, 58190, 352579, 705158, 1762895, 3525790, 3878369, 7756738, 8109317, 16218634, 19391845, 38783690, 40546585, 81093170, 89202487, 178404974, 186514291, 373028582, 446012435, 892024870, 932571455, 1865142910, 2051657201, 4103314402, 10258286005, 20516572010]

約数ペア:

[(1, 20516572010), (2, 10258286005), (5, 4103314402), (10, 2051657201), (11, 1865142910), (22, 932571455), (23, 892024870), (46, 446012435), (55, 373028582), (110, 186514291), (115, 178404974), (230, 89202487), (253, 81093170), (506, 40546585), (529, 38783690), (1058, 19391845), (1265, 16218634), (2530, 8109317), (2645, 7756738), (5290, 3878369), (5819, 3525790), (11638, 1762895), (29095, 705158), (58190, 352579)]