2005013968

素因数分解:

$2^4\times {\mathrm{571}}^1\times {\mathrm{219463}}^1$

素因数の和:220042

約数の個数: 20

約数和(自身を含む): 3891535648

約数和(自身を除く): 1886521680

約数列:

[1, 2, 4, 8, 16, 571, 1142, 2284, 4568, 9136, 219463, 438926, 877852, 1755704, 3511408, 125313373, 250626746, 501253492, 1002506984, 2005013968]

約数ペア:

[(1, 2005013968), (2, 1002506984), (4, 501253492), (8, 250626746), (16, 125313373), (571, 3511408), (1142, 1755704), (2284, 877852), (4568, 438926), (9136, 219463)]