20120221245

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1\times {\mathrm{114167}}^1$

素因数の和:114585

約数の個数: 32

約数和(自身を含む): 33318789120

約数和(自身を除く): 13198567875

約数列:

[1, 3, 5, 15, 31, 93, 155, 379, 465, 1137, 1895, 5685, 11749, 35247, 58745, 114167, 176235, 342501, 570835, 1712505, 3539177, 10617531, 17695885, 43269293, 53087655, 129807879, 216346465, 649039395, 1341348083, 4024044249, 6706740415, 20120221245]

約数ペア:

[(1, 20120221245), (3, 6706740415), (5, 4024044249), (15, 1341348083), (31, 649039395), (93, 216346465), (155, 129807879), (379, 53087655), (465, 43269293), (1137, 17695885), (1895, 10617531), (5685, 3539177), (11749, 1712505), (35247, 570835), (58745, 342501), (114167, 176235)]