20012050

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{12911}}^1$

素因数の和:12954

約数の個数: 24

約数和(自身を含む): 38426112

約数和(自身を除く): 18414062

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 12911, 25822, 64555, 129110, 322775, 400241, 645550, 800482, 2001205, 4002410, 10006025, 20012050]

約数ペア:

[(1, 20012050), (2, 10006025), (5, 4002410), (10, 2001205), (25, 800482), (31, 645550), (50, 400241), (62, 322775), (155, 129110), (310, 64555), (775, 25822), (1550, 12911)]