20523735

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15727}}^1$

素因数の和:15767

約数の個数: 24

約数和(自身を含む): 36803520

約数和(自身を除く): 16279785

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 15727, 47181, 78635, 141543, 235905, 456083, 707715, 1368249, 2280415, 4104747, 6841245, 20523735]

約数ペア:

[(1, 20523735), (3, 6841245), (5, 4104747), (9, 2280415), (15, 1368249), (29, 707715), (45, 456083), (87, 235905), (145, 141543), (261, 78635), (435, 47181), (1305, 15727)]