20378982

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13751}}^1$

素因数の和:13788

約数の個数: 32

約数和(自身を含む): 46206720

約数和(自身を除く): 25827738

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 494, 741, 1482, 13751, 27502, 41253, 82506, 178763, 261269, 357526, 522538, 536289, 783807, 1072578, 1567614, 3396497, 6792994, 10189491, 20378982]

約数ペア:

[(1, 20378982), (2, 10189491), (3, 6792994), (6, 3396497), (13, 1567614), (19, 1072578), (26, 783807), (38, 536289), (39, 522538), (57, 357526), (78, 261269), (114, 178763), (247, 82506), (494, 41253), (741, 27502), (1482, 13751)]