2000615780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1639849}}^1$

素因数の和:1639919

約数の個数: 24

約数和(自身を含む): 4270169400

約数和(自身を除く): 2269553620

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1639849, 3279698, 6559396, 8199245, 16398490, 32796980, 100030789, 200061578, 400123156, 500153945, 1000307890, 2000615780]

約数ペア:

[(1, 2000615780), (2, 1000307890), (4, 500153945), (5, 400123156), (10, 200061578), (20, 100030789), (61, 32796980), (122, 16398490), (244, 8199245), (305, 6559396), (610, 3279698), (1220, 1639849)]