20122720135

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1\times {\mathrm{12763}}^1$

素因数の和:13303

約数の個数: 32

約数和(自身を含む): 27923139072

約数和(自身を除く): 7800418937

約数列:

[1, 5, 7, 35, 107, 421, 535, 749, 2105, 2947, 3745, 12763, 14735, 45047, 63815, 89341, 225235, 315329, 446705, 1365641, 1576645, 5373223, 6828205, 9559487, 26866115, 37612561, 47797435, 188062805, 574934861, 2874674305, 4024544027, 20122720135]

約数ペア:

[(1, 20122720135), (5, 4024544027), (7, 2874674305), (35, 574934861), (107, 188062805), (421, 47797435), (535, 37612561), (749, 26866115), (2105, 9559487), (2947, 6828205), (3745, 5373223), (12763, 1576645), (14735, 1365641), (45047, 446705), (63815, 315329), (89341, 225235)]