20223885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6451}}^1$

素因数の和:6489

約数の個数: 32

約数和(自身を含む): 37163520

約数和(自身を除く): 16939635

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 6451, 19353, 32255, 70961, 96765, 122569, 212883, 354805, 367707, 612845, 1064415, 1348259, 1838535, 4044777, 6741295, 20223885]

約数ペア:

[(1, 20223885), (3, 6741295), (5, 4044777), (11, 1838535), (15, 1348259), (19, 1064415), (33, 612845), (55, 367707), (57, 354805), (95, 212883), (165, 122569), (209, 96765), (285, 70961), (627, 32255), (1045, 19353), (3135, 6451)]