20815664084

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1256681}}^1$

素因数の和:1256827

約数の個数: 24

約数和(自身を含む): 37685379816

約数和(自身を除く): 16869715732

約数列:

[1, 2, 4, 41, 82, 101, 164, 202, 404, 4141, 8282, 16564, 1256681, 2513362, 5026724, 51523921, 103047842, 126924781, 206095684, 253849562, 507699124, 5203916021, 10407832042, 20815664084]

約数ペア:

[(1, 20815664084), (2, 10407832042), (4, 5203916021), (41, 507699124), (82, 253849562), (101, 206095684), (164, 126924781), (202, 103047842), (404, 51523921), (4141, 5026724), (8282, 2513362), (16564, 1256681)]