20138265

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{9133}}^1$

素因数の和:9158

約数の個数: 36

約数和(自身を含む): 40609764

約数和(自身を除く): 20471499

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 9133, 27399, 45665, 63931, 82197, 136995, 191793, 319655, 410985, 447517, 575379, 958965, 1342551, 2237585, 2876895, 4027653, 6712755, 20138265]

約数ペア:

[(1, 20138265), (3, 6712755), (5, 4027653), (7, 2876895), (9, 2237585), (15, 1342551), (21, 958965), (35, 575379), (45, 447517), (49, 410985), (63, 319655), (105, 191793), (147, 136995), (245, 82197), (315, 63931), (441, 45665), (735, 27399), (2205, 9133)]