2017996100

素因数分解:

$2^2\times 5^2\times {\mathrm{20179961}}^1$

素因数の和:20179975

約数の個数: 18

約数和(自身を含む): 4379051754

約数和(自身を除く): 2361055654

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 20179961, 40359922, 80719844, 100899805, 201799610, 403599220, 504499025, 1008998050, 2017996100]

約数ペア:

[(1, 2017996100), (2, 1008998050), (4, 504499025), (5, 403599220), (10, 201799610), (20, 100899805), (25, 80719844), (50, 40359922), (100, 20179961)]