20161923321

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{32993}}^1$

素因数の和:33237

約数の個数: 32

約数和(自身を含む): 28886906880

約数和(自身を除く): 8724983559

約数列:

[1, 3, 19, 57, 71, 151, 213, 453, 1349, 2869, 4047, 8607, 10721, 32163, 32993, 98979, 203699, 611097, 626867, 1880601, 2342503, 4981943, 7027509, 14945829, 44507557, 94656917, 133522671, 283970751, 353717953, 1061153859, 6720641107, 20161923321]

約数ペア:

[(1, 20161923321), (3, 6720641107), (19, 1061153859), (57, 353717953), (71, 283970751), (151, 133522671), (213, 94656917), (453, 44507557), (1349, 14945829), (2869, 7027509), (4047, 4981943), (8607, 2342503), (10721, 1880601), (32163, 626867), (32993, 611097), (98979, 203699)]