20804927607

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71909}}^1$

素因数の和:72024

約数の個数: 48

約数和(自身を含む): 33384648960

約数和(自身を除く): 12579721353

約数列:

[1, 3, 9, 17, 31, 51, 61, 93, 153, 183, 279, 527, 549, 1037, 1581, 1891, 3111, 4743, 5673, 9333, 17019, 32147, 71909, 96441, 215727, 289323, 647181, 1222453, 2229179, 3667359, 4386449, 6687537, 11002077, 13159347, 20062611, 37896043, 39478041, 74569633, 113688129, 135979919, 223708899, 341064387, 407939757, 671126697, 1223819271, 2311658623, 6934975869, 20804927607]

約数ペア:

[(1, 20804927607), (3, 6934975869), (9, 2311658623), (17, 1223819271), (31, 671126697), (51, 407939757), (61, 341064387), (93, 223708899), (153, 135979919), (183, 113688129), (279, 74569633), (527, 39478041), (549, 37896043), (1037, 20062611), (1581, 13159347), (1891, 11002077), (3111, 6687537), (4743, 4386449), (5673, 3667359), (9333, 2229179), (17019, 1222453), (32147, 647181), (71909, 289323), (96441, 215727)]