20826020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61253}}^1$

素因数の和:61279

約数の個数: 24

約数和(自身を含む): 46308024

約数和(自身を除く): 25482004

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 61253, 122506, 245012, 306265, 612530, 1041301, 1225060, 2082602, 4165204, 5206505, 10413010, 20826020]

約数ペア:

[(1, 20826020), (2, 10413010), (4, 5206505), (5, 4165204), (10, 2082602), (17, 1225060), (20, 1041301), (34, 612530), (68, 306265), (85, 245012), (170, 122506), (340, 61253)]