20905722

素因数分解:

$2^1\times 3^3\times {\mathrm{467}}^1\times {\mathrm{829}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 46612800

約数和(自身を除く): 25707078

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 467, 829, 934, 1401, 1658, 2487, 2802, 4203, 4974, 7461, 8406, 12609, 14922, 22383, 25218, 44766, 387143, 774286, 1161429, 2322858, 3484287, 6968574, 10452861, 20905722]

約数ペア:

[(1, 20905722), (2, 10452861), (3, 6968574), (6, 3484287), (9, 2322858), (18, 1161429), (27, 774286), (54, 387143), (467, 44766), (829, 25218), (934, 22383), (1401, 14922), (1658, 12609), (2487, 8406), (2802, 7461), (4203, 4974)]