20218508

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15649}}^1$

素因数の和:15689

約数の個数: 24

約数和(自身を含む): 39438000

約数和(自身を除く): 19219492

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 15649, 31298, 62596, 266033, 297331, 532066, 594662, 1064132, 1189324, 5054627, 10109254, 20218508]

約数ペア:

[(1, 20218508), (2, 10109254), (4, 5054627), (17, 1189324), (19, 1064132), (34, 594662), (38, 532066), (68, 297331), (76, 266033), (323, 62596), (646, 31298), (1292, 15649)]