20918178

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{50527}}^1$

素因数の和:50558

約数の個数: 24

約数和(自身を含む): 47294208

約数和(自身を除く): 26376030

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 50527, 101054, 151581, 303162, 454743, 909486, 1162121, 2324242, 3486363, 6972726, 10459089, 20918178]

約数ペア:

[(1, 20918178), (2, 10459089), (3, 6972726), (6, 3486363), (9, 2324242), (18, 1162121), (23, 909486), (46, 454743), (69, 303162), (138, 151581), (207, 101054), (414, 50527)]