20068815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1061}}^1$

素因数の和:1179

約数の個数: 32

約数和(自身を含む): 34969536

約数和(自身を除く): 14900721

約数列:

[1, 3, 5, 13, 15, 39, 65, 97, 195, 291, 485, 1061, 1261, 1455, 3183, 3783, 5305, 6305, 13793, 15915, 18915, 41379, 68965, 102917, 206895, 308751, 514585, 1337921, 1543755, 4013763, 6689605, 20068815]

約数ペア:

[(1, 20068815), (3, 6689605), (5, 4013763), (13, 1543755), (15, 1337921), (39, 514585), (65, 308751), (97, 206895), (195, 102917), (291, 68965), (485, 41379), (1061, 18915), (1261, 15915), (1455, 13793), (3183, 6305), (3783, 5305)]