20785434

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 42721344

約数和(自身を除く): 21935910

約数列:

[1, 2, 3, 6, 53, 106, 159, 163, 318, 326, 401, 489, 802, 978, 1203, 2406, 8639, 17278, 21253, 25917, 42506, 51834, 63759, 65363, 127518, 130726, 196089, 392178, 3464239, 6928478, 10392717, 20785434]

約数ペア:

[(1, 20785434), (2, 10392717), (3, 6928478), (6, 3464239), (53, 392178), (106, 196089), (159, 130726), (163, 127518), (318, 65363), (326, 63759), (401, 51834), (489, 42506), (802, 25917), (978, 21253), (1203, 17278), (2406, 8639)]