20584215

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{7753}}^1$

素因数の和:7823

約数の個数: 24

約数和(自身を含む): 36288720

約数和(自身を除く): 15704505

約数列:

[1, 3, 5, 9, 15, 45, 59, 177, 295, 531, 885, 2655, 7753, 23259, 38765, 69777, 116295, 348885, 457427, 1372281, 2287135, 4116843, 6861405, 20584215]

約数ペア:

[(1, 20584215), (3, 6861405), (5, 4116843), (9, 2287135), (15, 1372281), (45, 457427), (59, 348885), (177, 116295), (295, 69777), (531, 38765), (885, 23259), (2655, 7753)]