20147673231

素因数分解:

$3^2\times 7^1\times {\mathrm{20749}}^1\times {\mathrm{15413}}^1$

素因数の和:36175

約数の個数: 24

約数和(自身を含む): 33263412000

約数和(自身を除く): 13115738769

約数列:

[1, 3, 7, 9, 21, 63, 15413, 20749, 46239, 62247, 107891, 138717, 145243, 186741, 323673, 435729, 971019, 1307187, 319804337, 959413011, 2238630359, 2878239033, 6715891077, 20147673231]

約数ペア:

[(1, 20147673231), (3, 6715891077), (7, 2878239033), (9, 2238630359), (21, 959413011), (63, 319804337), (15413, 1307187), (20749, 971019), (46239, 435729), (62247, 323673), (107891, 186741), (138717, 145243)]