20179785591

素因数分解:

$3^2\times 7^2\times {\mathrm{3023}}^1\times {\mathrm{15137}}^1$

素因数の和:18180

約数の個数: 36

約数和(自身を含む): 33920988192

約数和(自身を除く): 13741202601

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 3023, 9069, 15137, 21161, 27207, 45411, 63483, 105959, 136233, 148127, 190449, 317877, 444381, 741713, 953631, 1333143, 2225139, 6675417, 45759151, 137277453, 320314057, 411832359, 960942171, 2242198399, 2882826513, 6726595197, 20179785591]

約数ペア:

[(1, 20179785591), (3, 6726595197), (7, 2882826513), (9, 2242198399), (21, 960942171), (49, 411832359), (63, 320314057), (147, 137277453), (441, 45759151), (3023, 6675417), (9069, 2225139), (15137, 1333143), (21161, 953631), (27207, 741713), (45411, 444381), (63483, 317877), (105959, 190449), (136233, 148127)]