20805216423

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{1553}}^1\times {\mathrm{108917}}^1$

素因数の和:110514

約数の個数: 16

約数和(自身を含む): 28435440096

約数和(自身を除く): 7630223673

約数列:

[1, 3, 41, 123, 1553, 4659, 63673, 108917, 191019, 326751, 4465597, 13396791, 169148101, 507444303, 6935072141, 20805216423]

約数ペア:

[(1, 20805216423), (3, 6935072141), (41, 507444303), (123, 169148101), (1553, 13396791), (4659, 4465597), (63673, 326751), (108917, 191019)]