20318508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{80629}}^1$

素因数の和:80646

約数の個数: 36

約数和(自身を含む): 58698640

約数和(自身を除く): 38380132

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 80629, 161258, 241887, 322516, 483774, 564403, 725661, 967548, 1128806, 1451322, 1693209, 2257612, 2902644, 3386418, 5079627, 6772836, 10159254, 20318508]

約数ペア:

[(1, 20318508), (2, 10159254), (3, 6772836), (4, 5079627), (6, 3386418), (7, 2902644), (9, 2257612), (12, 1693209), (14, 1451322), (18, 1128806), (21, 967548), (28, 725661), (36, 564403), (42, 483774), (63, 322516), (84, 241887), (126, 161258), (252, 80629)]