20654037

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 30820608

約数和(自身を除く): 10166571

約数列:

[1, 3, 9, 41, 123, 223, 251, 369, 669, 753, 2007, 2259, 9143, 10291, 27429, 30873, 55973, 82287, 92619, 167919, 503757, 2294893, 6884679, 20654037]

約数ペア:

[(1, 20654037), (3, 6884679), (9, 2294893), (41, 503757), (123, 167919), (223, 92619), (251, 82287), (369, 55973), (669, 30873), (753, 27429), (2007, 10291), (2259, 9143)]