20258966

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{709}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 37692480

約数和(自身を除く): 17433514

約数列:

[1, 2, 7, 13, 14, 26, 91, 157, 182, 314, 709, 1099, 1418, 2041, 2198, 4082, 4963, 9217, 9926, 14287, 18434, 28574, 64519, 111313, 129038, 222626, 779191, 1447069, 1558382, 2894138, 10129483, 20258966]

約数ペア:

[(1, 20258966), (2, 10129483), (7, 2894138), (13, 1558382), (14, 1447069), (26, 779191), (91, 222626), (157, 129038), (182, 111313), (314, 64519), (709, 28574), (1099, 18434), (1418, 14287), (2041, 9926), (2198, 9217), (4082, 4963)]