2000664580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1639889}}^1$

素因数の和:1639959

約数の個数: 24

約数和(自身を含む): 4270273560

約数和(自身を除く): 2269608980

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1639889, 3279778, 6559556, 8199445, 16398890, 32797780, 100033229, 200066458, 400132916, 500166145, 1000332290, 2000664580]

約数ペア:

[(1, 2000664580), (2, 1000332290), (4, 500166145), (5, 400132916), (10, 200066458), (20, 100033229), (61, 32797780), (122, 16398890), (244, 8199445), (305, 6559556), (610, 3279778), (1220, 1639889)]