20920406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42349}}^1$

素因数の和:42383

約数の個数: 16

約数和(自身を含む): 35574000

約数和(自身を除く): 14653594

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42349, 84698, 550537, 804631, 1101074, 1609262, 10460203, 20920406]

約数ペア:

[(1, 20920406), (2, 10460203), (13, 1609262), (19, 1101074), (26, 804631), (38, 550537), (247, 84698), (494, 42349)]