20863755

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{373}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 39907296

約数和(自身を除く): 19043541

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 113, 165, 339, 373, 495, 565, 1017, 1119, 1243, 1695, 1865, 3357, 3729, 4103, 5085, 5595, 6215, 11187, 12309, 16785, 18645, 20515, 36927, 42149, 55935, 61545, 126447, 184635, 210745, 379341, 463639, 632235, 1390917, 1896705, 2318195, 4172751, 6954585, 20863755]

約数ペア:

[(1, 20863755), (3, 6954585), (5, 4172751), (9, 2318195), (11, 1896705), (15, 1390917), (33, 632235), (45, 463639), (55, 379341), (99, 210745), (113, 184635), (165, 126447), (339, 61545), (373, 55935), (495, 42149), (565, 36927), (1017, 20515), (1119, 18645), (1243, 16785), (1695, 12309), (1865, 11187), (3357, 6215), (3729, 5595), (4103, 5085)]