20283465

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4679}}^1$

素因数の和:4721

約数の個数: 24

約数和(自身を含む): 34482240

約数和(自身を除く): 14198775

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 4679, 14037, 23395, 70185, 79543, 238629, 397715, 1193145, 1352231, 4056693, 6761155, 20283465]

約数ペア:

[(1, 20283465), (3, 6761155), (5, 4056693), (15, 1352231), (17, 1193145), (51, 397715), (85, 238629), (255, 79543), (289, 70185), (867, 23395), (1445, 14037), (4335, 4679)]