20117085

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 33612672

約数和(自身を除く): 13495587

約数列:

[1, 3, 5, 15, 37, 67, 111, 185, 201, 335, 541, 555, 1005, 1623, 2479, 2705, 7437, 8115, 12395, 20017, 36247, 37185, 60051, 100085, 108741, 181235, 300255, 543705, 1341139, 4023417, 6705695, 20117085]

約数ペア:

[(1, 20117085), (3, 6705695), (5, 4023417), (15, 1341139), (37, 543705), (67, 300255), (111, 181235), (185, 108741), (201, 100085), (335, 60051), (541, 37185), (555, 36247), (1005, 20017), (1623, 12395), (2479, 8115), (2705, 7437)]