20564629918

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{15143321}}^1$

素因数の和:15143427

約数の個数: 16

約数和(自身を含む): 35617093344

約数和(自身を除く): 15052463426

約数列:

[1, 2, 7, 14, 97, 194, 679, 1358, 15143321, 30286642, 106003247, 212006494, 1468902137, 2937804274, 10282314959, 20564629918]

約数ペア:

[(1, 20564629918), (2, 10282314959), (7, 2937804274), (14, 1468902137), (97, 212006494), (194, 106003247), (679, 30286642), (1358, 15143321)]