20725461

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1697}}^1$

素因数の和:1785

約数の個数: 24

約数和(自身を含む): 31786560

約数和(自身を除く): 11061099

約数列:

[1, 3, 9, 23, 59, 69, 177, 207, 531, 1357, 1697, 4071, 5091, 12213, 15273, 39031, 100123, 117093, 300369, 351279, 901107, 2302829, 6908487, 20725461]

約数ペア:

[(1, 20725461), (3, 6908487), (9, 2302829), (23, 901107), (59, 351279), (69, 300369), (177, 117093), (207, 100123), (531, 39031), (1357, 15273), (1697, 12213), (4071, 5091)]