20865188

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8293}}^1$

素因数の和:8351

約数の個数: 24

約数和(自身を含む): 39711672

約数和(自身を除く): 18846484

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 8293, 16586, 33172, 140981, 281962, 306841, 563924, 613682, 1227364, 5216297, 10432594, 20865188]

約数ペア:

[(1, 20865188), (2, 10432594), (4, 5216297), (17, 1227364), (34, 613682), (37, 563924), (68, 306841), (74, 281962), (148, 140981), (629, 33172), (1258, 16586), (2516, 8293)]