22380620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15761}}^1$

素因数の和:15841

約数の個数: 24

約数和(自身を含む): 47664288

約数和(自身を除く): 25283668

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 15761, 31522, 63044, 78805, 157610, 315220, 1119031, 2238062, 4476124, 5595155, 11190310, 22380620]

約数ペア:

[(1, 22380620), (2, 11190310), (4, 5595155), (5, 4476124), (10, 2238062), (20, 1119031), (71, 315220), (142, 157610), (284, 78805), (355, 63044), (710, 31522), (1420, 15761)]