20221760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4861}}^1$

素因数の和:4891

約数の個数: 56

約数和(自身を含む): 51867816

約数和(自身を除く): 31646056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 4861, 9722, 19444, 24305, 38888, 48610, 63193, 77776, 97220, 126386, 155552, 194440, 252772, 311104, 315965, 388880, 505544, 631930, 777760, 1011088, 1263860, 1555520, 2022176, 2527720, 4044352, 5055440, 10110880, 20221760]

約数ペア:

[(1, 20221760), (2, 10110880), (4, 5055440), (5, 4044352), (8, 2527720), (10, 2022176), (13, 1555520), (16, 1263860), (20, 1011088), (26, 777760), (32, 631930), (40, 505544), (52, 388880), (64, 315965), (65, 311104), (80, 252772), (104, 194440), (130, 155552), (160, 126386), (208, 97220), (260, 77776), (320, 63193), (416, 48610), (520, 38888), (832, 24305), (1040, 19444), (2080, 9722), (4160, 4861)]