20699265

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1231}}^1$

素因数の和:1317

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 14782335

約数列:

[1, 3, 5, 15, 19, 57, 59, 95, 177, 285, 295, 885, 1121, 1231, 3363, 3693, 5605, 6155, 16815, 18465, 23389, 70167, 72629, 116945, 217887, 350835, 363145, 1089435, 1379951, 4139853, 6899755, 20699265]

約数ペア:

[(1, 20699265), (3, 6899755), (5, 4139853), (15, 1379951), (19, 1089435), (57, 363145), (59, 350835), (95, 217887), (177, 116945), (285, 72629), (295, 70167), (885, 23389), (1121, 18465), (1231, 16815), (3363, 6155), (3693, 5605)]