20564968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{151213}}^1$

素因数の和:151236

約数の個数: 16

約数和(自身を含む): 40827780

約数和(自身を除く): 20262812

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 151213, 302426, 604852, 1209704, 2570621, 5141242, 10282484, 20564968]

約数ペア:

[(1, 20564968), (2, 10282484), (4, 5141242), (8, 2570621), (17, 1209704), (34, 604852), (68, 302426), (136, 151213)]