20855839

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:402

約数の個数: 16

約数和(自身を含む): 22498560

約数和(自身を除く): 1642721

約数列:

[1, 31, 41, 61, 269, 1271, 1891, 2501, 8339, 11029, 16409, 77531, 341899, 508679, 672769, 20855839]

約数ペア:

[(1, 20855839), (31, 672769), (41, 508679), (61, 341899), (269, 77531), (1271, 16409), (1891, 11029), (2501, 8339)]