20665190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22709}}^1$

素因数の和:22736

約数の個数: 32

約数和(自身を含む): 45783360

約数和(自身を除く): 25118170

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 22709, 45418, 113545, 158963, 227090, 295217, 317926, 590434, 794815, 1476085, 1589630, 2066519, 2952170, 4133038, 10332595, 20665190]

約数ペア:

[(1, 20665190), (2, 10332595), (5, 4133038), (7, 2952170), (10, 2066519), (13, 1589630), (14, 1476085), (26, 794815), (35, 590434), (65, 317926), (70, 295217), (91, 227090), (130, 158963), (182, 113545), (455, 45418), (910, 22709)]