20613822

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 45061632

約数和(自身を除く): 24447810

約数列:

[1, 2, 3, 6, 19, 31, 38, 57, 62, 93, 114, 186, 307, 361, 589, 614, 722, 921, 1083, 1178, 1767, 1842, 2166, 3534, 5833, 9517, 11191, 11666, 17499, 19034, 22382, 28551, 33573, 34998, 57102, 67146, 110827, 180823, 221654, 332481, 361646, 542469, 664962, 1084938, 3435637, 6871274, 10306911, 20613822]

約数ペア:

[(1, 20613822), (2, 10306911), (3, 6871274), (6, 3435637), (19, 1084938), (31, 664962), (38, 542469), (57, 361646), (62, 332481), (93, 221654), (114, 180823), (186, 110827), (307, 67146), (361, 57102), (589, 34998), (614, 33573), (722, 28551), (921, 22382), (1083, 19034), (1178, 17499), (1767, 11666), (1842, 11191), (2166, 9517), (3534, 5833)]