20193042820

素因数分解:

$2^2\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{651809}}^1$

素因数の和:653367

約数の個数: 24

約数和(自身を含む): 42432831000

約数和(自身を除く): 22239788180

約数列:

[1, 2, 4, 5, 10, 20, 1549, 3098, 6196, 7745, 15490, 30980, 651809, 1303618, 2607236, 3259045, 6518090, 13036180, 1009652141, 2019304282, 4038608564, 5048260705, 10096521410, 20193042820]

約数ペア:

[(1, 20193042820), (2, 10096521410), (4, 5048260705), (5, 4038608564), (10, 2019304282), (20, 1009652141), (1549, 13036180), (3098, 6518090), (6196, 3259045), (7745, 2607236), (15490, 1303618), (30980, 651809)]