20858350

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13457}}^1$

素因数の和:13500

約数の個数: 24

約数和(自身を含む): 40051008

約数和(自身を除く): 19192658

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 13457, 26914, 67285, 134570, 336425, 417167, 672850, 834334, 2085835, 4171670, 10429175, 20858350]

約数ペア:

[(1, 20858350), (2, 10429175), (5, 4171670), (10, 2085835), (25, 834334), (31, 672850), (50, 417167), (62, 336425), (155, 134570), (310, 67285), (775, 26914), (1550, 13457)]