20156328

素因数分解:

$2^3\times 3^2\times {\mathrm{279949}}^1$

素因数の和:279961

約数の個数: 24

約数和(自身を含む): 54590250

約数和(自身を除く): 34433922

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 279949, 559898, 839847, 1119796, 1679694, 2239592, 2519541, 3359388, 5039082, 6718776, 10078164, 20156328]

約数ペア:

[(1, 20156328), (2, 10078164), (3, 6718776), (4, 5039082), (6, 3359388), (8, 2519541), (9, 2239592), (12, 1679694), (18, 1119796), (24, 839847), (36, 559898), (72, 279949)]