20494750

素因数分解:

$2^1\times 5^3\times {\mathrm{73}}^1\times {\mathrm{1123}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 38926368

約数和(自身を除く): 18431618

約数列:

[1, 2, 5, 10, 25, 50, 73, 125, 146, 250, 365, 730, 1123, 1825, 2246, 3650, 5615, 9125, 11230, 18250, 28075, 56150, 81979, 140375, 163958, 280750, 409895, 819790, 2049475, 4098950, 10247375, 20494750]

約数ペア:

[(1, 20494750), (2, 10247375), (5, 4098950), (10, 2049475), (25, 819790), (50, 409895), (73, 280750), (125, 163958), (146, 140375), (250, 81979), (365, 56150), (730, 28075), (1123, 18250), (1825, 11230), (2246, 9125), (3650, 5615)]