20643303

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{3313}}^1$

素因数の和:3414

約数の個数: 16

約数和(自身を含む): 28845056

約数和(自身を除く): 8201753

約数列:

[1, 3, 31, 67, 93, 201, 2077, 3313, 6231, 9939, 102703, 221971, 308109, 665913, 6881101, 20643303]

約数ペア:

[(1, 20643303), (3, 6881101), (31, 665913), (67, 308109), (93, 221971), (201, 102703), (2077, 9939), (3313, 6231)]