20700888

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1543}}^1$

素因数の和:1608

約数の個数: 64

約数和(自身を含む): 57066240

約数和(自身を除く): 36365352

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1543, 1677, 2236, 3086, 3354, 4472, 4629, 6172, 6708, 9258, 12344, 13416, 18516, 20059, 37032, 40118, 60177, 66349, 80236, 120354, 132698, 160472, 199047, 240708, 265396, 398094, 481416, 530792, 796188, 862537, 1592376, 1725074, 2587611, 3450148, 5175222, 6900296, 10350444, 20700888]

約数ペア:

[(1, 20700888), (2, 10350444), (3, 6900296), (4, 5175222), (6, 3450148), (8, 2587611), (12, 1725074), (13, 1592376), (24, 862537), (26, 796188), (39, 530792), (43, 481416), (52, 398094), (78, 265396), (86, 240708), (104, 199047), (129, 160472), (156, 132698), (172, 120354), (258, 80236), (312, 66349), (344, 60177), (516, 40118), (559, 37032), (1032, 20059), (1118, 18516), (1543, 13416), (1677, 12344), (2236, 9258), (3086, 6708), (3354, 6172), (4472, 4629)]