20216850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{2543}}^1$

素因数の和:2611

約数の個数: 48

約数和(自身を含む): 51103872

約数和(自身を除く): 30887022

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 53, 75, 106, 150, 159, 265, 318, 530, 795, 1325, 1590, 2543, 2650, 3975, 5086, 7629, 7950, 12715, 15258, 25430, 38145, 63575, 76290, 127150, 134779, 190725, 269558, 381450, 404337, 673895, 808674, 1347790, 2021685, 3369475, 4043370, 6738950, 10108425, 20216850]

約数ペア:

[(1, 20216850), (2, 10108425), (3, 6738950), (5, 4043370), (6, 3369475), (10, 2021685), (15, 1347790), (25, 808674), (30, 673895), (50, 404337), (53, 381450), (75, 269558), (106, 190725), (150, 134779), (159, 127150), (265, 76290), (318, 63575), (530, 38145), (795, 25430), (1325, 15258), (1590, 12715), (2543, 7950), (2650, 7629), (3975, 5086)]