20163076940

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1809971}}^1$

素因数の和:1810537

約数の個数: 24

約数和(自身を含む): 42418503792

約数和(自身を除く): 22255426852

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 11140, 1809971, 3619942, 7239884, 9049855, 18099710, 36199420, 1008153847, 2016307694, 4032615388, 5040769235, 10081538470, 20163076940]

約数ペア:

[(1, 20163076940), (2, 10081538470), (4, 5040769235), (5, 4032615388), (10, 2016307694), (20, 1008153847), (557, 36199420), (1114, 18099710), (2228, 9049855), (2785, 7239884), (5570, 3619942), (11140, 1809971)]