20053250

素因数分解:

$2^1\times 5^3\times 7^2\times {\mathrm{1637}}^1$

素因数の和:1668

約数の個数: 48

約数和(自身を含む): 43695288

約数和(自身を除く): 23642038

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 125, 175, 245, 250, 350, 490, 875, 1225, 1637, 1750, 2450, 3274, 6125, 8185, 11459, 12250, 16370, 22918, 40925, 57295, 80213, 81850, 114590, 160426, 204625, 286475, 401065, 409250, 572950, 802130, 1432375, 2005325, 2864750, 4010650, 10026625, 20053250]

約数ペア:

[(1, 20053250), (2, 10026625), (5, 4010650), (7, 2864750), (10, 2005325), (14, 1432375), (25, 802130), (35, 572950), (49, 409250), (50, 401065), (70, 286475), (98, 204625), (125, 160426), (175, 114590), (245, 81850), (250, 80213), (350, 57295), (490, 40925), (875, 22918), (1225, 16370), (1637, 12250), (1750, 11459), (2450, 8185), (3274, 6125)]