20868534

素因数分解:

$2^1\times 3^2\times {\mathrm{541}}^1\times {\mathrm{2143}}^1$

素因数の和:2692

約数の個数: 24

約数和(自身を含む): 45319872

約数和(自身を除く): 24451338

約数列:

[1, 2, 3, 6, 9, 18, 541, 1082, 1623, 2143, 3246, 4286, 4869, 6429, 9738, 12858, 19287, 38574, 1159363, 2318726, 3478089, 6956178, 10434267, 20868534]

約数ペア:

[(1, 20868534), (2, 10434267), (3, 6956178), (6, 3478089), (9, 2318726), (18, 1159363), (541, 38574), (1082, 19287), (1623, 12858), (2143, 9738), (3246, 6429), (4286, 4869)]