20761065

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1543}}^1$

素因数の和:1590

約数の個数: 48

約数和(自身を含む): 40465152

約数和(自身を除く): 19704087

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1495, 1543, 2691, 4485, 4629, 7715, 13455, 13887, 20059, 23145, 35489, 60177, 69435, 100295, 106467, 177445, 180531, 300885, 319401, 461357, 532335, 902655, 1384071, 1597005, 2306785, 4152213, 6920355, 20761065]

約数ペア:

[(1, 20761065), (3, 6920355), (5, 4152213), (9, 2306785), (13, 1597005), (15, 1384071), (23, 902655), (39, 532335), (45, 461357), (65, 319401), (69, 300885), (115, 180531), (117, 177445), (195, 106467), (207, 100295), (299, 69435), (345, 60177), (585, 35489), (897, 23145), (1035, 20059), (1495, 13887), (1543, 13455), (2691, 7715), (4485, 4629)]