20123292670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154794559}}^1$

素因数の和:154794579

約数の個数: 16

約数和(自身を含む): 39008229120

約数和(自身を除く): 18884936450

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 154794559, 309589118, 773972795, 1547945590, 2012329267, 4024658534, 10061646335, 20123292670]

約数ペア:

[(1, 20123292670), (2, 10061646335), (5, 4024658534), (10, 2012329267), (13, 1547945590), (26, 773972795), (65, 309589118), (130, 154794559)]