20501013

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{547}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 30473184

約数和(自身を除く): 9972171

約数列:

[1, 3, 13, 31, 39, 93, 403, 547, 961, 1209, 1641, 2883, 7111, 12493, 16957, 21333, 37479, 50871, 220441, 525667, 661323, 1577001, 6833671, 20501013]

約数ペア:

[(1, 20501013), (3, 6833671), (13, 1577001), (31, 661323), (39, 525667), (93, 220441), (403, 50871), (547, 37479), (961, 21333), (1209, 16957), (1641, 12493), (2883, 7111)]