20876193

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9391}}^1$

素因数の和:9429

約数の個数: 24

約数和(自身を含む): 34186880

約数和(自身を除く): 13310687

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 9391, 28173, 84519, 122083, 178429, 366249, 535287, 1098747, 1605861, 2319577, 6958731, 20876193]

約数ペア:

[(1, 20876193), (3, 6958731), (9, 2319577), (13, 1605861), (19, 1098747), (39, 535287), (57, 366249), (117, 178429), (171, 122083), (247, 84519), (741, 28173), (2223, 9391)]