20880451576

素因数分解:

$2^3\times {\mathrm{191}}^1\times {\mathrm{223}}^1\times {\mathrm{233}}^1\times {\mathrm{263}}^1$

素因数の和:916

約数の個数: 64

約数和(自身を含む): 39852933120

約数和(自身を除く): 18972481544

約数列:

[1, 2, 4, 8, 191, 223, 233, 263, 382, 446, 466, 526, 764, 892, 932, 1052, 1528, 1784, 1864, 2104, 42593, 44503, 50233, 51959, 58649, 61279, 85186, 89006, 100466, 103918, 117298, 122558, 170372, 178012, 200932, 207836, 234596, 245116, 340744, 356024, 401864, 415672, 469192, 490232, 9924169, 11201959, 11704289, 13665217, 19848338, 22403918, 23408578, 27330434, 39696676, 44807836, 46817156, 54660868, 79393352, 89615672, 93634312, 109321736, 2610056447, 5220112894, 10440225788, 20880451576]

約数ペア:

[(1, 20880451576), (2, 10440225788), (4, 5220112894), (8, 2610056447), (191, 109321736), (223, 93634312), (233, 89615672), (263, 79393352), (382, 54660868), (446, 46817156), (466, 44807836), (526, 39696676), (764, 27330434), (892, 23408578), (932, 22403918), (1052, 19848338), (1528, 13665217), (1784, 11704289), (1864, 11201959), (2104, 9924169), (42593, 490232), (44503, 469192), (50233, 415672), (51959, 401864), (58649, 356024), (61279, 340744), (85186, 245116), (89006, 234596), (100466, 207836), (103918, 200932), (117298, 178012), (122558, 170372)]