20508778

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{2113}}^1$

素因数の和:2349

約数の個数: 16

約数和(自身を含む): 32268096

約数和(自身を除く): 11759318

約数列:

[1, 2, 23, 46, 211, 422, 2113, 4226, 4853, 9706, 48599, 97198, 445843, 891686, 10254389, 20508778]

約数ペア:

[(1, 20508778), (2, 10254389), (23, 891686), (46, 445843), (211, 97198), (422, 48599), (2113, 9706), (4226, 4853)]