20734388619

素因数分解:

$3^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1978661}}^1$

素因数の和:1979170

約数の個数: 16

約数和(自身を含む): 31658592000

約数和(自身を除く): 10924203381

約数列:

[1, 3, 7, 21, 499, 1497, 3493, 10479, 1978661, 5935983, 13850627, 41551881, 987351839, 2962055517, 6911462873, 20734388619]

約数ペア:

[(1, 20734388619), (3, 6911462873), (7, 2962055517), (21, 987351839), (499, 41551881), (1497, 13850627), (3493, 5935983), (10479, 1978661)]