20856552615

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3069397}}^1$

素因数の和:3069559

約数の個数: 24

約数和(自身を含む): 36390782688

約数和(自身を除く): 15534230073

約数列:

[1, 3, 5, 9, 15, 45, 151, 453, 755, 1359, 2265, 6795, 3069397, 9208191, 15346985, 27624573, 46040955, 138122865, 463478947, 1390436841, 2317394735, 4171310523, 6952184205, 20856552615]

約数ペア:

[(1, 20856552615), (3, 6952184205), (5, 4171310523), (9, 2317394735), (15, 1390436841), (45, 463478947), (151, 138122865), (453, 46040955), (755, 27624573), (1359, 15346985), (2265, 9208191), (6795, 3069397)]