20104650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1039}}^1$

素因数の和:1100

約数の個数: 72

約数和(自身を含む): 55323840

約数和(自身を除く): 35219190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 43, 45, 50, 75, 86, 90, 129, 150, 215, 225, 258, 387, 430, 450, 645, 774, 1039, 1075, 1290, 1935, 2078, 2150, 3117, 3225, 3870, 5195, 6234, 6450, 9351, 9675, 10390, 15585, 18702, 19350, 25975, 31170, 44677, 46755, 51950, 77925, 89354, 93510, 134031, 155850, 223385, 233775, 268062, 402093, 446770, 467550, 670155, 804186, 1116925, 1340310, 2010465, 2233850, 3350775, 4020930, 6701550, 10052325, 20104650]

約数ペア:

[(1, 20104650), (2, 10052325), (3, 6701550), (5, 4020930), (6, 3350775), (9, 2233850), (10, 2010465), (15, 1340310), (18, 1116925), (25, 804186), (30, 670155), (43, 467550), (45, 446770), (50, 402093), (75, 268062), (86, 233775), (90, 223385), (129, 155850), (150, 134031), (215, 93510), (225, 89354), (258, 77925), (387, 51950), (430, 46755), (450, 44677), (645, 31170), (774, 25975), (1039, 19350), (1075, 18702), (1290, 15585), (1935, 10390), (2078, 9675), (2150, 9351), (3117, 6450), (3225, 6234), (3870, 5195)]