20173631919

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{310187}}^1$

素因数の和:310379

約数の個数: 32

約数和(自身を含む): 32557332480

約数和(自身を除く): 12383700561

約数列:

[1, 3, 7, 19, 21, 57, 133, 163, 399, 489, 1141, 3097, 3423, 9291, 21679, 65037, 310187, 930561, 2171309, 5893553, 6513927, 17680659, 41254871, 50560481, 123764613, 151681443, 353923367, 960649139, 1061770101, 2881947417, 6724543973, 20173631919]

約数ペア:

[(1, 20173631919), (3, 6724543973), (7, 2881947417), (19, 1061770101), (21, 960649139), (57, 353923367), (133, 151681443), (163, 123764613), (399, 50560481), (489, 41254871), (1141, 17680659), (3097, 6513927), (3423, 5893553), (9291, 2171309), (21679, 930561), (65037, 310187)]