20281635

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40973}}^1$

素因数の和:40995

約数の個数: 24

約数和(自身を含む): 38351664

約数和(自身を除く): 18070029

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 40973, 122919, 204865, 368757, 450703, 614595, 1352109, 1843785, 2253515, 4056327, 6760545, 20281635]

約数ペア:

[(1, 20281635), (3, 6760545), (5, 4056327), (9, 2253515), (11, 1843785), (15, 1352109), (33, 614595), (45, 450703), (55, 368757), (99, 204865), (165, 122919), (495, 40973)]