20238500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{2381}}^1$

素因数の和:2417

約数の個数: 48

約数和(自身を含む): 46820592

約数和(自身を除く): 26582092

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 850, 1700, 2125, 2381, 4250, 4762, 8500, 9524, 11905, 23810, 40477, 47620, 59525, 80954, 119050, 161908, 202385, 238100, 297625, 404770, 595250, 809540, 1011925, 1190500, 2023850, 4047700, 5059625, 10119250, 20238500]

約数ペア:

[(1, 20238500), (2, 10119250), (4, 5059625), (5, 4047700), (10, 2023850), (17, 1190500), (20, 1011925), (25, 809540), (34, 595250), (50, 404770), (68, 297625), (85, 238100), (100, 202385), (125, 161908), (170, 119050), (250, 80954), (340, 59525), (425, 47620), (500, 40477), (850, 23810), (1700, 11905), (2125, 9524), (2381, 8500), (4250, 4762)]