16410020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{6781}}^1$

素因数の和:6812

約数の個数: 36

約数和(自身を含む): 37884252

約数和(自身を除く): 21474232

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 6781, 13562, 27124, 33905, 67810, 74591, 135620, 149182, 298364, 372955, 745910, 820501, 1491820, 1641002, 3282004, 4102505, 8205010, 16410020]

約数ペア:

[(1, 16410020), (2, 8205010), (4, 4102505), (5, 3282004), (10, 1641002), (11, 1491820), (20, 820501), (22, 745910), (44, 372955), (55, 298364), (110, 149182), (121, 135620), (220, 74591), (242, 67810), (484, 33905), (605, 27124), (1210, 13562), (2420, 6781)]