20199705628

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1\times {\mathrm{3989}}^1$

素因数の和:4594

約数の個数: 48

約数和(自身を含む): 36867600000

約数和(自身を除く): 16667894372

約数列:

[1, 2, 4, 43, 59, 86, 118, 172, 236, 499, 998, 1996, 2537, 3989, 5074, 7978, 10148, 15956, 21457, 29441, 42914, 58882, 85828, 117764, 171527, 235351, 343054, 470702, 686108, 941404, 1265963, 1990511, 2531926, 3981022, 5063852, 7962044, 10120093, 20240186, 40480372, 85591973, 117440149, 171183946, 234880298, 342367892, 469760596, 5049926407, 10099852814, 20199705628]

約数ペア:

[(1, 20199705628), (2, 10099852814), (4, 5049926407), (43, 469760596), (59, 342367892), (86, 234880298), (118, 171183946), (172, 117440149), (236, 85591973), (499, 40480372), (998, 20240186), (1996, 10120093), (2537, 7962044), (3989, 5063852), (5074, 3981022), (7978, 2531926), (10148, 1990511), (15956, 1265963), (21457, 941404), (29441, 686108), (42914, 470702), (58882, 343054), (85828, 235351), (117764, 171527)]