20089215

素因数分解:

$3^4\times 5^1\times {\mathrm{49603}}^1$

素因数の和:49620

約数の個数: 20

約数和(自身を含む): 36012504

約数和(自身を除く): 15923289

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49603, 148809, 248015, 446427, 744045, 1339281, 2232135, 4017843, 6696405, 20089215]

約数ペア:

[(1, 20089215), (3, 6696405), (5, 4017843), (9, 2232135), (15, 1339281), (27, 744045), (45, 446427), (81, 248015), (135, 148809), (405, 49603)]