20880451616

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{433}}^1\times {\mathrm{32063}}^1$

素因数の和:32553

約数の個数: 48

約数和(自身を含む): 42081306624

約数和(自身を除く): 21200855008

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 433, 752, 866, 1504, 1732, 3464, 6928, 13856, 20351, 32063, 40702, 64126, 81404, 128252, 162808, 256504, 325616, 513008, 651232, 1026016, 1506961, 3013922, 6027844, 12055688, 13883279, 24111376, 27766558, 48222752, 55533116, 111066232, 222132464, 444264928, 652514113, 1305028226, 2610056452, 5220112904, 10440225808, 20880451616]

約数ペア:

[(1, 20880451616), (2, 10440225808), (4, 5220112904), (8, 2610056452), (16, 1305028226), (32, 652514113), (47, 444264928), (94, 222132464), (188, 111066232), (376, 55533116), (433, 48222752), (752, 27766558), (866, 24111376), (1504, 13883279), (1732, 12055688), (3464, 6027844), (6928, 3013922), (13856, 1506961), (20351, 1026016), (32063, 651232), (40702, 513008), (64126, 325616), (81404, 256504), (128252, 162808)]