20219949

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{4231}}^1$

素因数の和:4302

約数の個数: 20

約数和(自身を含む): 30724320

約数和(自身を除く): 10504371

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4231, 4779, 12693, 38079, 114237, 249629, 342711, 748887, 2246661, 6739983, 20219949]

約数ペア:

[(1, 20219949), (3, 6739983), (9, 2246661), (27, 748887), (59, 342711), (81, 249629), (177, 114237), (531, 38079), (1593, 12693), (4231, 4779)]