20440986

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 41860800

約数和(自身を除く): 21419814

約数列:

[1, 2, 3, 6, 89, 101, 178, 202, 267, 303, 379, 534, 606, 758, 1137, 2274, 8989, 17978, 26967, 33731, 38279, 53934, 67462, 76558, 101193, 114837, 202386, 229674, 3406831, 6813662, 10220493, 20440986]

約数ペア:

[(1, 20440986), (2, 10220493), (3, 6813662), (6, 3406831), (89, 229674), (101, 202386), (178, 114837), (202, 101193), (267, 76558), (303, 67462), (379, 53934), (534, 38279), (606, 33731), (758, 26967), (1137, 17978), (2274, 8989)]