20318766

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{787}}^1$

素因数の和:1136

約数の個数: 32

約数和(自身を含む): 43951488

約数和(自身を除く): 23632722

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 331, 662, 787, 993, 1574, 1986, 2361, 4303, 4722, 8606, 10231, 12909, 20462, 25818, 30693, 61386, 260497, 520994, 781491, 1562982, 3386461, 6772922, 10159383, 20318766]

約数ペア:

[(1, 20318766), (2, 10159383), (3, 6772922), (6, 3386461), (13, 1562982), (26, 781491), (39, 520994), (78, 260497), (331, 61386), (662, 30693), (787, 25818), (993, 20462), (1574, 12909), (1986, 10231), (2361, 8606), (4303, 4722)]