17239720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13903}}^1$

素因数の和:13945

約数の個数: 32

約数和(自身を含む): 40043520

約数和(自身を除く): 22803800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 13903, 27806, 55612, 69515, 111224, 139030, 278060, 430993, 556120, 861986, 1723972, 2154965, 3447944, 4309930, 8619860, 17239720]

約数ペア:

[(1, 17239720), (2, 8619860), (4, 4309930), (5, 3447944), (8, 2154965), (10, 1723972), (20, 861986), (31, 556120), (40, 430993), (62, 278060), (124, 139030), (155, 111224), (248, 69515), (310, 55612), (620, 27806), (1240, 13903)]