20169950

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9839}}^1$

素因数の和:9892

約数の個数: 24

約数和(自身を含む): 38435040

約数和(自身を除く): 18265090

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 9839, 19678, 49195, 98390, 245975, 403399, 491950, 806798, 2016995, 4033990, 10084975, 20169950]

約数ペア:

[(1, 20169950), (2, 10084975), (5, 4033990), (10, 2016995), (25, 806798), (41, 491950), (50, 403399), (82, 245975), (205, 98390), (410, 49195), (1025, 19678), (2050, 9839)]