20416686

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{751}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 42882048

約数和(自身を除く): 22465362

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 197, 394, 591, 751, 1182, 1502, 2253, 4506, 4531, 9062, 13593, 17273, 27186, 34546, 51819, 103638, 147947, 295894, 443841, 887682, 3402781, 6805562, 10208343, 20416686]

約数ペア:

[(1, 20416686), (2, 10208343), (3, 6805562), (6, 3402781), (23, 887682), (46, 443841), (69, 295894), (138, 147947), (197, 103638), (394, 51819), (591, 34546), (751, 27186), (1182, 17273), (1502, 13593), (2253, 9062), (4506, 4531)]