20015724

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^2\times {\mathrm{313}}^1$

素因数の和:466

約数の個数: 36

約数和(自身を含む): 47503176

約数和(自身を除く): 27487452

約数列:

[1, 2, 3, 4, 6, 12, 73, 146, 219, 292, 313, 438, 626, 876, 939, 1252, 1878, 3756, 5329, 10658, 15987, 21316, 22849, 31974, 45698, 63948, 68547, 91396, 137094, 274188, 1667977, 3335954, 5003931, 6671908, 10007862, 20015724]

約数ペア:

[(1, 20015724), (2, 10007862), (3, 6671908), (4, 5003931), (6, 3335954), (12, 1667977), (73, 274188), (146, 137094), (219, 91396), (292, 68547), (313, 63948), (438, 45698), (626, 31974), (876, 22849), (939, 21316), (1252, 15987), (1878, 10658), (3756, 5329)]