20078880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{709}}^1$

素因数の和:786

約数の個数: 96

約数和(自身を含む): 64411200

約数和(自身を除く): 44332320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 59, 60, 80, 96, 118, 120, 160, 177, 236, 240, 295, 354, 472, 480, 590, 708, 709, 885, 944, 1180, 1416, 1418, 1770, 1888, 2127, 2360, 2832, 2836, 3540, 3545, 4254, 4720, 5664, 5672, 7080, 7090, 8508, 9440, 10635, 11344, 14160, 14180, 17016, 21270, 22688, 28320, 28360, 34032, 41831, 42540, 56720, 68064, 83662, 85080, 113440, 125493, 167324, 170160, 209155, 250986, 334648, 340320, 418310, 501972, 627465, 669296, 836620, 1003944, 1254930, 1338592, 1673240, 2007888, 2509860, 3346480, 4015776, 5019720, 6692960, 10039440, 20078880]

約数ペア:

[(1, 20078880), (2, 10039440), (3, 6692960), (4, 5019720), (5, 4015776), (6, 3346480), (8, 2509860), (10, 2007888), (12, 1673240), (15, 1338592), (16, 1254930), (20, 1003944), (24, 836620), (30, 669296), (32, 627465), (40, 501972), (48, 418310), (59, 340320), (60, 334648), (80, 250986), (96, 209155), (118, 170160), (120, 167324), (160, 125493), (177, 113440), (236, 85080), (240, 83662), (295, 68064), (354, 56720), (472, 42540), (480, 41831), (590, 34032), (708, 28360), (709, 28320), (885, 22688), (944, 21270), (1180, 17016), (1416, 14180), (1418, 14160), (1770, 11344), (1888, 10635), (2127, 9440), (2360, 8508), (2832, 7090), (2836, 7080), (3540, 5672), (3545, 5664), (4254, 4720)]