20172088312

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{283}}^1\times {\mathrm{937}}^1$

素因数の和:1520

約数の個数: 64

約数和(自身を含む): 39175607520

約数和(自身を除く): 19003519208

約数列:

[1, 2, 4, 8, 37, 74, 148, 257, 283, 296, 514, 566, 937, 1028, 1132, 1874, 2056, 2264, 3748, 7496, 9509, 10471, 19018, 20942, 34669, 38036, 41884, 69338, 72731, 76072, 83768, 138676, 145462, 240809, 265171, 277352, 290924, 481618, 530342, 581848, 963236, 1060684, 1926472, 2121368, 2691047, 5382094, 8909933, 9811327, 10764188, 17819866, 19622654, 21528376, 35639732, 39245308, 68148947, 71279464, 78490616, 136297894, 272595788, 545191576, 2521511039, 5043022078, 10086044156, 20172088312]

約数ペア:

[(1, 20172088312), (2, 10086044156), (4, 5043022078), (8, 2521511039), (37, 545191576), (74, 272595788), (148, 136297894), (257, 78490616), (283, 71279464), (296, 68148947), (514, 39245308), (566, 35639732), (937, 21528376), (1028, 19622654), (1132, 17819866), (1874, 10764188), (2056, 9811327), (2264, 8909933), (3748, 5382094), (7496, 2691047), (9509, 2121368), (10471, 1926472), (19018, 1060684), (20942, 963236), (34669, 581848), (38036, 530342), (41884, 481618), (69338, 290924), (72731, 277352), (76072, 265171), (83768, 240809), (138676, 145462)]