20952594

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9949}}^1$

素因数の和:9976

約数の個数: 40

約数和(自身を含む): 50565900

約数和(自身を除く): 29613306

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 9949, 19898, 29847, 59694, 89541, 129337, 179082, 258674, 268623, 388011, 537246, 776022, 805869, 1164033, 1611738, 2328066, 3492099, 6984198, 10476297, 20952594]

約数ペア:

[(1, 20952594), (2, 10476297), (3, 6984198), (6, 3492099), (9, 2328066), (13, 1611738), (18, 1164033), (26, 805869), (27, 776022), (39, 537246), (54, 388011), (78, 268623), (81, 258674), (117, 179082), (162, 129337), (234, 89541), (351, 59694), (702, 29847), (1053, 19898), (2106, 9949)]