20147607

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 30201600

約数和(自身を除く): 10053993

約数列:

[1, 3, 9, 43, 79, 129, 237, 387, 659, 711, 1977, 3397, 5931, 10191, 28337, 30573, 52061, 85011, 156183, 255033, 468549, 2238623, 6715869, 20147607]

約数ペア:

[(1, 20147607), (3, 6715869), (9, 2238623), (43, 468549), (79, 255033), (129, 156183), (237, 85011), (387, 52061), (659, 30573), (711, 28337), (1977, 10191), (3397, 5931)]