20311408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97651}}^1$

素因数の和:97672

約数の個数: 20

約数和(自身を含む): 42380968

約数和(自身を除く): 22069560

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97651, 195302, 390604, 781208, 1269463, 1562416, 2538926, 5077852, 10155704, 20311408]

約数ペア:

[(1, 20311408), (2, 10155704), (4, 5077852), (8, 2538926), (13, 1562416), (16, 1269463), (26, 781208), (52, 390604), (104, 195302), (208, 97651)]