20900520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58057}}^1$

素因数の和:58074

約数の個数: 48

約数和(自身を含む): 67927860

約数和(自身を除く): 47027340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58057, 116114, 174171, 232228, 290285, 348342, 464456, 522513, 580570, 696684, 870855, 1045026, 1161140, 1393368, 1741710, 2090052, 2322280, 2612565, 3483420, 4180104, 5225130, 6966840, 10450260, 20900520]

約数ペア:

[(1, 20900520), (2, 10450260), (3, 6966840), (4, 5225130), (5, 4180104), (6, 3483420), (8, 2612565), (9, 2322280), (10, 2090052), (12, 1741710), (15, 1393368), (18, 1161140), (20, 1045026), (24, 870855), (30, 696684), (36, 580570), (40, 522513), (45, 464456), (60, 348342), (72, 290285), (90, 232228), (120, 174171), (180, 116114), (360, 58057)]