220156304

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{61703}}^1$

素因数の和:61934

約数の個数: 20

約数和(自身を含む): 428472576

約数和(自身を除く): 208316272

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 61703, 123406, 246812, 493624, 987248, 13759769, 27519538, 55039076, 110078152, 220156304]

約数ペア:

[(1, 220156304), (2, 110078152), (4, 55039076), (8, 27519538), (16, 13759769), (223, 987248), (446, 493624), (892, 246812), (1784, 123406), (3568, 61703)]