20215305

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13613}}^1$

素因数の和:13638

約数の個数: 32

約数和(自身を含む): 39208320

約数和(自身を除く): 18993015

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 13613, 40839, 68065, 122517, 149743, 204195, 367551, 449229, 612585, 748715, 1347687, 1837755, 2246145, 4043061, 6738435, 20215305]

約数ペア:

[(1, 20215305), (3, 6738435), (5, 4043061), (9, 2246145), (11, 1837755), (15, 1347687), (27, 748715), (33, 612585), (45, 449229), (55, 367551), (99, 204195), (135, 149743), (165, 122517), (297, 68065), (495, 40839), (1485, 13613)]