20154783

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{4099}}^1$

素因数の和:4262

約数の個数: 16

約数和(自身を含む): 29520000

約数和(自身を除く): 9365217

約数列:

[1, 3, 11, 33, 149, 447, 1639, 4099, 4917, 12297, 45089, 135267, 610751, 1832253, 6718261, 20154783]

約数ペア:

[(1, 20154783), (3, 6718261), (11, 1832253), (33, 610751), (149, 135267), (447, 45089), (1639, 12297), (4099, 4917)]