20898214

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{23911}}^1$

素因数の和:23955

約数の個数: 16

約数和(自身を含む): 34433280

約数和(自身を除く): 13535066

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 23911, 47822, 454309, 549953, 908618, 1099906, 10449107, 20898214]

約数ペア:

[(1, 20898214), (2, 10449107), (19, 1099906), (23, 908618), (38, 549953), (46, 454309), (437, 47822), (874, 23911)]