20472550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2017}}^1$

素因数の和:2065

約数の個数: 48

約数和(自身を含む): 45041760

約数和(自身を除く): 24569210

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 145, 175, 203, 290, 350, 406, 725, 1015, 1450, 2017, 2030, 4034, 5075, 10085, 10150, 14119, 20170, 28238, 50425, 58493, 70595, 100850, 116986, 141190, 292465, 352975, 409451, 584930, 705950, 818902, 1462325, 2047255, 2924650, 4094510, 10236275, 20472550]

約数ペア:

[(1, 20472550), (2, 10236275), (5, 4094510), (7, 2924650), (10, 2047255), (14, 1462325), (25, 818902), (29, 705950), (35, 584930), (50, 409451), (58, 352975), (70, 292465), (145, 141190), (175, 116986), (203, 100850), (290, 70595), (350, 58493), (406, 50425), (725, 28238), (1015, 20170), (1450, 14119), (2017, 10150), (2030, 10085), (4034, 5075)]