20280881277

素因数分解:

$3^3\times {\mathrm{1151}}^1\times {\mathrm{652601}}^1$

素因数の和:653761

約数の個数: 16

約数和(自身を含む): 30071900160

約数和(自身を除く): 9791018883

約数列:

[1, 3, 9, 27, 1151, 3453, 10359, 31077, 652601, 1957803, 5873409, 17620227, 751143751, 2253431253, 6760293759, 20280881277]

約数ペア:

[(1, 20280881277), (3, 6760293759), (9, 2253431253), (27, 751143751), (1151, 17620227), (3453, 5873409), (10359, 1957803), (31077, 652601)]