20063480

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{5171}}^1$

素因数の和:5279

約数の個数: 32

約数和(自身を含む): 45617040

約数和(自身を除く): 25553560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 5171, 10342, 20684, 25855, 41368, 51710, 103420, 206840, 501587, 1003174, 2006348, 2507935, 4012696, 5015870, 10031740, 20063480]

約数ペア:

[(1, 20063480), (2, 10031740), (4, 5015870), (5, 4012696), (8, 2507935), (10, 2006348), (20, 1003174), (40, 501587), (97, 206840), (194, 103420), (388, 51710), (485, 41368), (776, 25855), (970, 20684), (1940, 10342), (3880, 5171)]