20957038

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{9041}}^1$

素因数の和:9123

約数の個数: 16

約数和(自身を含む): 33636240

約数和(自身を除く): 12679202

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 9041, 18082, 171779, 343558, 551501, 1103002, 10478519, 20957038]

約数ペア:

[(1, 20957038), (2, 10478519), (19, 1103002), (38, 551501), (61, 343558), (122, 171779), (1159, 18082), (2318, 9041)]