20877087

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12911}}^1$

素因数の和:12939

約数の個数: 24

約数和(自身を含む): 35327232

約数和(自身を除く): 14450145

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12911, 38733, 90377, 142021, 271131, 426063, 632639, 994147, 1897917, 2982441, 6959029, 20877087]

約数ペア:

[(1, 20877087), (3, 6959029), (7, 2982441), (11, 1897917), (21, 994147), (33, 632639), (49, 426063), (77, 271131), (147, 142021), (231, 90377), (539, 38733), (1617, 12911)]