20643396

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 50147328

約数和(自身を除く): 29503932

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 211, 263, 372, 422, 526, 633, 789, 844, 1052, 1266, 1578, 2532, 3156, 6541, 8153, 13082, 16306, 19623, 24459, 26164, 32612, 39246, 48918, 55493, 78492, 97836, 110986, 166479, 221972, 332958, 665916, 1720283, 3440566, 5160849, 6881132, 10321698, 20643396]

約数ペア:

[(1, 20643396), (2, 10321698), (3, 6881132), (4, 5160849), (6, 3440566), (12, 1720283), (31, 665916), (62, 332958), (93, 221972), (124, 166479), (186, 110986), (211, 97836), (263, 78492), (372, 55493), (422, 48918), (526, 39246), (633, 32612), (789, 26164), (844, 24459), (1052, 19623), (1266, 16306), (1578, 13082), (2532, 8153), (3156, 6541)]