20180856

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{20509}}^1$

素因数の和:20559

約数の個数: 32

約数和(自身を含む): 51685200

約数和(自身を除く): 31504344

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984, 20509, 41018, 61527, 82036, 123054, 164072, 246108, 492216, 840869, 1681738, 2522607, 3363476, 5045214, 6726952, 10090428, 20180856]

約数ペア:

[(1, 20180856), (2, 10090428), (3, 6726952), (4, 5045214), (6, 3363476), (8, 2522607), (12, 1681738), (24, 840869), (41, 492216), (82, 246108), (123, 164072), (164, 123054), (246, 82036), (328, 61527), (492, 41018), (984, 20509)]