20189875500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4486639}}^1$

素因数の和:4486664

約数の個数: 72

約数和(自身を含む): 63692341440

約数和(自身を除く): 43502465940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 4486639, 8973278, 13459917, 17946556, 22433195, 26919834, 40379751, 44866390, 53839668, 67299585, 80759502, 89732780, 112165975, 134599170, 161519004, 201898755, 224331950, 269198340, 336497925, 403797510, 448663900, 560829875, 672995850, 807595020, 1009493775, 1121659750, 1345991700, 1682489625, 2018987550, 2243319500, 3364979250, 4037975100, 5047468875, 6729958500, 10094937750, 20189875500]

約数ペア:

[(1, 20189875500), (2, 10094937750), (3, 6729958500), (4, 5047468875), (5, 4037975100), (6, 3364979250), (9, 2243319500), (10, 2018987550), (12, 1682489625), (15, 1345991700), (18, 1121659750), (20, 1009493775), (25, 807595020), (30, 672995850), (36, 560829875), (45, 448663900), (50, 403797510), (60, 336497925), (75, 269198340), (90, 224331950), (100, 201898755), (125, 161519004), (150, 134599170), (180, 112165975), (225, 89732780), (250, 80759502), (300, 67299585), (375, 53839668), (450, 44866390), (500, 40379751), (750, 26919834), (900, 22433195), (1125, 17946556), (1500, 13459917), (2250, 8973278), (4500, 4486639)]