20464452

素因数分解:

$2^2\times 3^2\times {\mathrm{103}}^1\times {\mathrm{5519}}^1$

素因数の和:5632

約数の個数: 36

約数和(自身を含む): 52241280

約数和(自身を除く): 31776828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 103, 206, 309, 412, 618, 927, 1236, 1854, 3708, 5519, 11038, 16557, 22076, 33114, 49671, 66228, 99342, 198684, 568457, 1136914, 1705371, 2273828, 3410742, 5116113, 6821484, 10232226, 20464452]

約数ペア:

[(1, 20464452), (2, 10232226), (3, 6821484), (4, 5116113), (6, 3410742), (9, 2273828), (12, 1705371), (18, 1136914), (36, 568457), (103, 198684), (206, 99342), (309, 66228), (412, 49671), (618, 33114), (927, 22076), (1236, 16557), (1854, 11038), (3708, 5519)]