20482650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1979}}^1$

素因数の和:2020

約数の個数: 72

約数和(自身を含む): 57451680

約数和(自身を除く): 36969030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 30, 45, 46, 50, 69, 75, 90, 115, 138, 150, 207, 225, 230, 345, 414, 450, 575, 690, 1035, 1150, 1725, 1979, 2070, 3450, 3958, 5175, 5937, 9895, 10350, 11874, 17811, 19790, 29685, 35622, 45517, 49475, 59370, 89055, 91034, 98950, 136551, 148425, 178110, 227585, 273102, 296850, 409653, 445275, 455170, 682755, 819306, 890550, 1137925, 1365510, 2048265, 2275850, 3413775, 4096530, 6827550, 10241325, 20482650]

約数ペア:

[(1, 20482650), (2, 10241325), (3, 6827550), (5, 4096530), (6, 3413775), (9, 2275850), (10, 2048265), (15, 1365510), (18, 1137925), (23, 890550), (25, 819306), (30, 682755), (45, 455170), (46, 445275), (50, 409653), (69, 296850), (75, 273102), (90, 227585), (115, 178110), (138, 148425), (150, 136551), (207, 98950), (225, 91034), (230, 89055), (345, 59370), (414, 49475), (450, 45517), (575, 35622), (690, 29685), (1035, 19790), (1150, 17811), (1725, 11874), (1979, 10350), (2070, 9895), (3450, 5937), (3958, 5175)]