20621034203

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{545429}}^1$

素因数の和:545938

約数の個数: 16

約数和(自身を含む): 25761749760

約数和(自身を除く): 5140715557

約数列:

[1, 7, 11, 77, 491, 3437, 5401, 37807, 545429, 3818003, 5999719, 41998033, 267805639, 1874639473, 2945862029, 20621034203]

約数ペア:

[(1, 20621034203), (7, 2945862029), (11, 1874639473), (77, 267805639), (491, 41998033), (3437, 5999719), (5401, 3818003), (37807, 545429)]