20081955

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2273}}^1$

素因数の和:2331

約数の個数: 32

約数和(自身を含む): 34928640

約数和(自身を除く): 14846685

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1767, 2273, 2945, 6819, 8835, 11365, 34095, 43187, 70463, 129561, 211389, 215935, 352315, 647805, 1056945, 1338797, 4016391, 6693985, 20081955]

約数ペア:

[(1, 20081955), (3, 6693985), (5, 4016391), (15, 1338797), (19, 1056945), (31, 647805), (57, 352315), (93, 215935), (95, 211389), (155, 129561), (285, 70463), (465, 43187), (589, 34095), (1767, 11365), (2273, 8835), (2945, 6819)]