20256123

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 9603717

約数列:

[1, 3, 23, 29, 53, 69, 87, 159, 191, 573, 667, 1219, 1537, 2001, 3657, 4393, 4611, 5539, 10123, 13179, 16617, 30369, 35351, 106053, 127397, 232829, 293567, 382191, 698487, 880701, 6752041, 20256123]

約数ペア:

[(1, 20256123), (3, 6752041), (23, 880701), (29, 698487), (53, 382191), (69, 293567), (87, 232829), (159, 127397), (191, 106053), (573, 35351), (667, 30369), (1219, 16617), (1537, 13179), (2001, 10123), (3657, 5539), (4393, 4611)]