20154890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3469}}^1$

素因数の和:3566

約数の個数: 32

約数和(自身を含む): 41973120

約数和(自身を除く): 21818230

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 83, 166, 415, 581, 830, 1162, 2905, 3469, 5810, 6938, 17345, 24283, 34690, 48566, 121415, 242830, 287927, 575854, 1439635, 2015489, 2879270, 4030978, 10077445, 20154890]

約数ペア:

[(1, 20154890), (2, 10077445), (5, 4030978), (7, 2879270), (10, 2015489), (14, 1439635), (35, 575854), (70, 287927), (83, 242830), (166, 121415), (415, 48566), (581, 34690), (830, 24283), (1162, 17345), (2905, 6938), (3469, 5810)]