20218572015

素因数分解:

$3^1\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{1320181}}^1$

素因数の和:1321210

約数の個数: 16

約数和(自身を含む): 32381424096

約数和(自身を除く): 12162852081

約数列:

[1, 3, 5, 15, 1021, 3063, 5105, 15315, 1320181, 3960543, 6600905, 19802715, 1347904801, 4043714403, 6739524005, 20218572015]

約数ペア:

[(1, 20218572015), (3, 6739524005), (5, 4043714403), (15, 1347904801), (1021, 19802715), (3063, 6600905), (5105, 3960543), (15315, 1320181)]