20789848024

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{122599}}^1$

素因数の和:122704

約数の個数: 64

約数和(自身を含む): 44489088000

約数和(自身を除く): 23699239976

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 47, 82, 88, 94, 164, 188, 328, 376, 451, 517, 902, 1034, 1804, 1927, 2068, 3608, 3854, 4136, 7708, 15416, 21197, 42394, 84788, 122599, 169576, 245198, 490396, 980792, 1348589, 2697178, 5026559, 5394356, 5762153, 10053118, 10788712, 11524306, 20106236, 23048612, 40212472, 46097224, 55292149, 63383683, 110584298, 126767366, 221168596, 236248273, 253534732, 442337192, 472496546, 507069464, 944993092, 1889986184, 2598731003, 5197462006, 10394924012, 20789848024]

約数ペア:

[(1, 20789848024), (2, 10394924012), (4, 5197462006), (8, 2598731003), (11, 1889986184), (22, 944993092), (41, 507069464), (44, 472496546), (47, 442337192), (82, 253534732), (88, 236248273), (94, 221168596), (164, 126767366), (188, 110584298), (328, 63383683), (376, 55292149), (451, 46097224), (517, 40212472), (902, 23048612), (1034, 20106236), (1804, 11524306), (1927, 10788712), (2068, 10053118), (3608, 5762153), (3854, 5394356), (4136, 5026559), (7708, 2697178), (15416, 1348589), (21197, 980792), (42394, 490396), (84788, 245198), (122599, 169576)]