20331915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1123}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 34960896

約数和(自身を除く): 14628981

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 355, 1065, 1123, 1207, 3369, 3621, 5615, 6035, 16845, 18105, 19091, 57273, 79733, 95455, 239199, 286365, 398665, 1195995, 1355461, 4066383, 6777305, 20331915]

約数ペア:

[(1, 20331915), (3, 6777305), (5, 4066383), (15, 1355461), (17, 1195995), (51, 398665), (71, 286365), (85, 239199), (213, 95455), (255, 79733), (355, 57273), (1065, 19091), (1123, 18105), (1207, 16845), (3369, 6035), (3621, 5615)]