20209440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{593}}^1$

素因数の和:682

約数の個数: 96

約数和(自身を含む): 64665216

約数和(自身を除く): 44455776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 71, 80, 96, 120, 142, 160, 213, 240, 284, 355, 426, 480, 568, 593, 710, 852, 1065, 1136, 1186, 1420, 1704, 1779, 2130, 2272, 2372, 2840, 2965, 3408, 3558, 4260, 4744, 5680, 5930, 6816, 7116, 8520, 8895, 9488, 11360, 11860, 14232, 17040, 17790, 18976, 23720, 28464, 34080, 35580, 42103, 47440, 56928, 71160, 84206, 94880, 126309, 142320, 168412, 210515, 252618, 284640, 336824, 421030, 505236, 631545, 673648, 842060, 1010472, 1263090, 1347296, 1684120, 2020944, 2526180, 3368240, 4041888, 5052360, 6736480, 10104720, 20209440]

約数ペア:

[(1, 20209440), (2, 10104720), (3, 6736480), (4, 5052360), (5, 4041888), (6, 3368240), (8, 2526180), (10, 2020944), (12, 1684120), (15, 1347296), (16, 1263090), (20, 1010472), (24, 842060), (30, 673648), (32, 631545), (40, 505236), (48, 421030), (60, 336824), (71, 284640), (80, 252618), (96, 210515), (120, 168412), (142, 142320), (160, 126309), (213, 94880), (240, 84206), (284, 71160), (355, 56928), (426, 47440), (480, 42103), (568, 35580), (593, 34080), (710, 28464), (852, 23720), (1065, 18976), (1136, 17790), (1186, 17040), (1420, 14232), (1704, 11860), (1779, 11360), (2130, 9488), (2272, 8895), (2372, 8520), (2840, 7116), (2965, 6816), (3408, 5930), (3558, 5680), (4260, 4744)]