20059040

素因数分解:

$2^5\times 5^1\times {\mathrm{283}}^1\times {\mathrm{443}}^1$

素因数の和:741

約数の個数: 48

約数和(自身を含む): 47664288

約数和(自身を除く): 27605248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 283, 443, 566, 886, 1132, 1415, 1772, 2215, 2264, 2830, 3544, 4430, 4528, 5660, 7088, 8860, 9056, 11320, 14176, 17720, 22640, 35440, 45280, 70880, 125369, 250738, 501476, 626845, 1002952, 1253690, 2005904, 2507380, 4011808, 5014760, 10029520, 20059040]

約数ペア:

[(1, 20059040), (2, 10029520), (4, 5014760), (5, 4011808), (8, 2507380), (10, 2005904), (16, 1253690), (20, 1002952), (32, 626845), (40, 501476), (80, 250738), (160, 125369), (283, 70880), (443, 45280), (566, 35440), (886, 22640), (1132, 17720), (1415, 14176), (1772, 11320), (2215, 9056), (2264, 8860), (2830, 7088), (3544, 5660), (4430, 4528)]