20180565

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23603}}^1$

素因数の和:23633

約数の個数: 24

約数和(自身を含む): 36822240

約数和(自身を除く): 16641675

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 23603, 70809, 118015, 212427, 354045, 448457, 1062135, 1345371, 2242285, 4036113, 6726855, 20180565]

約数ペア:

[(1, 20180565), (3, 6726855), (5, 4036113), (9, 2242285), (15, 1345371), (19, 1062135), (45, 448457), (57, 354045), (95, 212427), (171, 118015), (285, 70809), (855, 23603)]