20582750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 42456960

約数和(自身を除く): 21874210

約数列:

[1, 2, 5, 10, 17, 25, 29, 34, 50, 58, 85, 125, 145, 167, 170, 250, 290, 334, 425, 493, 725, 835, 850, 986, 1450, 1670, 2125, 2465, 2839, 3625, 4175, 4250, 4843, 4930, 5678, 7250, 8350, 9686, 12325, 14195, 20875, 24215, 24650, 28390, 41750, 48430, 61625, 70975, 82331, 121075, 123250, 141950, 164662, 242150, 354875, 411655, 605375, 709750, 823310, 1210750, 2058275, 4116550, 10291375, 20582750]

約数ペア:

[(1, 20582750), (2, 10291375), (5, 4116550), (10, 2058275), (17, 1210750), (25, 823310), (29, 709750), (34, 605375), (50, 411655), (58, 354875), (85, 242150), (125, 164662), (145, 141950), (167, 123250), (170, 121075), (250, 82331), (290, 70975), (334, 61625), (425, 48430), (493, 41750), (725, 28390), (835, 24650), (850, 24215), (986, 20875), (1450, 14195), (1670, 12325), (2125, 9686), (2465, 8350), (2839, 7250), (3625, 5678), (4175, 4930), (4250, 4843)]