20853500

素因数分解:

$2^2\times 5^3\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 45995040

約数和(自身を除く): 25141540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 179, 233, 250, 358, 466, 500, 716, 895, 932, 1165, 1790, 2330, 3580, 4475, 4660, 5825, 8950, 11650, 17900, 22375, 23300, 29125, 41707, 44750, 58250, 83414, 89500, 116500, 166828, 208535, 417070, 834140, 1042675, 2085350, 4170700, 5213375, 10426750, 20853500]

約数ペア:

[(1, 20853500), (2, 10426750), (4, 5213375), (5, 4170700), (10, 2085350), (20, 1042675), (25, 834140), (50, 417070), (100, 208535), (125, 166828), (179, 116500), (233, 89500), (250, 83414), (358, 58250), (466, 44750), (500, 41707), (716, 29125), (895, 23300), (932, 22375), (1165, 17900), (1790, 11650), (2330, 8950), (3580, 5825), (4475, 4660)]