20350845

素因数分解:

$3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:587

約数の個数: 40

約数和(自身を含む): 36895320

約数和(自身を除く): 16544475

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 327, 405, 461, 545, 981, 1383, 1635, 2305, 2943, 4149, 4905, 6915, 8829, 12447, 14715, 20745, 37341, 44145, 50249, 62235, 150747, 186705, 251245, 452241, 753735, 1356723, 2261205, 4070169, 6783615, 20350845]

約数ペア:

[(1, 20350845), (3, 6783615), (5, 4070169), (9, 2261205), (15, 1356723), (27, 753735), (45, 452241), (81, 251245), (109, 186705), (135, 150747), (327, 62235), (405, 50249), (461, 44145), (545, 37341), (981, 20745), (1383, 14715), (1635, 12447), (2305, 8829), (2943, 6915), (4149, 4905)]