2080802020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9458191}}^1$

素因数の和:9458211

約数の個数: 24

約数和(自身を含む): 4766928768

約数和(自身を除く): 2686126748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9458191, 18916382, 37832764, 47290955, 94581910, 104040101, 189163820, 208080202, 416160404, 520200505, 1040401010, 2080802020]

約数ペア:

[(1, 2080802020), (2, 1040401010), (4, 520200505), (5, 416160404), (10, 208080202), (11, 189163820), (20, 104040101), (22, 94581910), (44, 47290955), (55, 37832764), (110, 18916382), (220, 9458191)]