20112807

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 31804416

約数和(自身を除く): 11691609

約数列:

[1, 3, 11, 13, 33, 39, 143, 173, 271, 429, 519, 813, 1903, 2249, 2981, 3523, 5709, 6747, 8943, 10569, 24739, 38753, 46883, 74217, 116259, 140649, 515713, 609479, 1547139, 1828437, 6704269, 20112807]

約数ペア:

[(1, 20112807), (3, 6704269), (11, 1828437), (13, 1547139), (33, 609479), (39, 515713), (143, 140649), (173, 116259), (271, 74217), (429, 46883), (519, 38753), (813, 24739), (1903, 10569), (2249, 8943), (2981, 6747), (3523, 5709)]