22199720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17903}}^1$

素因数の和:17945

約数の個数: 32

約数和(自身を含む): 51563520

約数和(自身を除く): 29363800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 17903, 35806, 71612, 89515, 143224, 179030, 358060, 554993, 716120, 1109986, 2219972, 2774965, 4439944, 5549930, 11099860, 22199720]

約数ペア:

[(1, 22199720), (2, 11099860), (4, 5549930), (5, 4439944), (8, 2774965), (10, 2219972), (20, 1109986), (31, 716120), (40, 554993), (62, 358060), (124, 179030), (155, 143224), (248, 89515), (310, 71612), (620, 35806), (1240, 17903)]