20545424

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{3301}}^1$

素因数の和:3698

約数の個数: 20

約数和(自身を含む): 39921180

約数和(自身を除く): 19375756

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 3301, 6224, 6602, 13204, 26408, 52816, 1284089, 2568178, 5136356, 10272712, 20545424]

約数ペア:

[(1, 20545424), (2, 10272712), (4, 5136356), (8, 2568178), (16, 1284089), (389, 52816), (778, 26408), (1556, 13204), (3112, 6602), (3301, 6224)]