2019905780

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{619603}}^1$

素因数の和:619775

約数の個数: 24

約数和(自身を含む): 4267832352

約数和(自身を除く): 2247926572

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 619603, 1239206, 2478412, 3098015, 6196030, 12392060, 100995289, 201990578, 403981156, 504976445, 1009952890, 2019905780]

約数ペア:

[(1, 2019905780), (2, 1009952890), (4, 504976445), (5, 403981156), (10, 201990578), (20, 100995289), (163, 12392060), (326, 6196030), (652, 3098015), (815, 2478412), (1630, 1239206), (3260, 619603)]