20813088735

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15948727}}^1$

素因数の和:15948767

約数の個数: 24

約数和(自身を含む): 37320023520

約数和(自身を除く): 16506934785

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 15948727, 47846181, 79743635, 143538543, 239230905, 462513083, 717692715, 1387539249, 2312565415, 4162617747, 6937696245, 20813088735]

約数ペア:

[(1, 20813088735), (3, 6937696245), (5, 4162617747), (9, 2312565415), (15, 1387539249), (29, 717692715), (45, 462513083), (87, 239230905), (145, 143538543), (261, 79743635), (435, 47846181), (1305, 15948727)]