20121054032

素因数分解:

$2^4\times {\mathrm{2647}}^1\times {\mathrm{475091}}^1$

素因数の和:477746

約数の個数: 20

約数和(自身を含む): 38999352096

約数和(自身を除く): 18878298064

約数列:

[1, 2, 4, 8, 16, 2647, 5294, 10588, 21176, 42352, 475091, 950182, 1900364, 3800728, 7601456, 1257565877, 2515131754, 5030263508, 10060527016, 20121054032]

約数ペア:

[(1, 20121054032), (2, 10060527016), (4, 5030263508), (8, 2515131754), (16, 1257565877), (2647, 7601456), (5294, 3800728), (10588, 1900364), (21176, 950182), (42352, 475091)]