20808329494

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{397151}}^1$

素因数の和:397260

約数の個数: 32

約数和(自身を含む): 35000211456

約数和(自身を除く): 14191881962

約数列:

[1, 2, 17, 23, 34, 46, 67, 134, 391, 782, 1139, 1541, 2278, 3082, 26197, 52394, 397151, 794302, 6751567, 9134473, 13503134, 18268946, 26609117, 53218234, 155286041, 310572082, 452354989, 612009691, 904709978, 1224019382, 10404164747, 20808329494]

約数ペア:

[(1, 20808329494), (2, 10404164747), (17, 1224019382), (23, 904709978), (34, 612009691), (46, 452354989), (67, 310572082), (134, 155286041), (391, 53218234), (782, 26609117), (1139, 18268946), (1541, 13503134), (2278, 9134473), (3082, 6751567), (26197, 794302), (52394, 397151)]