20415174

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8443}}^1$

素因数の和:8492

約数の個数: 32

約数和(自身を含む): 45394944

約数和(自身を除く): 24979770

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8443, 16886, 25329, 50658, 109759, 219518, 261733, 329277, 523466, 658554, 785199, 1570398, 3402529, 6805058, 10207587, 20415174]

約数ペア:

[(1, 20415174), (2, 10207587), (3, 6805058), (6, 3402529), (13, 1570398), (26, 785199), (31, 658554), (39, 523466), (62, 329277), (78, 261733), (93, 219518), (186, 109759), (403, 50658), (806, 25329), (1209, 16886), (2418, 8443)]