20199673125

素因数分解:

$3^2\times 5^4\times {\mathrm{163}}^1\times {\mathrm{22031}}^1$

素因数の和:22220

約数の個数: 60

約数和(自身を含む): 36685306944

約数和(自身を除く): 16485633819

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 163, 225, 375, 489, 625, 815, 1125, 1467, 1875, 2445, 4075, 5625, 7335, 12225, 20375, 22031, 36675, 61125, 66093, 101875, 110155, 183375, 198279, 305625, 330465, 550775, 916875, 991395, 1652325, 2753875, 3591053, 4956975, 8261625, 10773159, 13769375, 17955265, 24784875, 32319477, 41308125, 53865795, 89776325, 123924375, 161597385, 269328975, 448881625, 807986925, 1346644875, 2244408125, 4039934625, 6733224375, 20199673125]

約数ペア:

[(1, 20199673125), (3, 6733224375), (5, 4039934625), (9, 2244408125), (15, 1346644875), (25, 807986925), (45, 448881625), (75, 269328975), (125, 161597385), (163, 123924375), (225, 89776325), (375, 53865795), (489, 41308125), (625, 32319477), (815, 24784875), (1125, 17955265), (1467, 13769375), (1875, 10773159), (2445, 8261625), (4075, 4956975), (5625, 3591053), (7335, 2753875), (12225, 1652325), (20375, 991395), (22031, 916875), (36675, 550775), (61125, 330465), (66093, 305625), (101875, 198279), (110155, 183375)]