20783894

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 34642080

約数和(自身を除く): 13858186

約数列:

[1, 2, 17, 29, 34, 58, 107, 197, 214, 394, 493, 986, 1819, 3103, 3349, 3638, 5713, 6206, 6698, 11426, 21079, 42158, 52751, 97121, 105502, 194242, 358343, 611291, 716686, 1222582, 10391947, 20783894]

約数ペア:

[(1, 20783894), (2, 10391947), (17, 1222582), (29, 716686), (34, 611291), (58, 358343), (107, 194242), (197, 105502), (214, 97121), (394, 52751), (493, 42158), (986, 21079), (1819, 11426), (3103, 6698), (3349, 6206), (3638, 5713)]