20184877449

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{31469}}^1$

素因数の和:31547

約数の個数: 72

約数和(自身を含む): 34823443200

約数和(自身を除く): 14638565751

約数列:

[1, 3, 9, 11, 19, 31, 33, 57, 93, 99, 121, 171, 209, 279, 341, 363, 589, 627, 1023, 1089, 1767, 1881, 2299, 3069, 3751, 5301, 6479, 6897, 11253, 19437, 20691, 31469, 33759, 58311, 71269, 94407, 213807, 283221, 346159, 597911, 641421, 975539, 1038477, 1793733, 2926617, 3115431, 3807749, 5381199, 6577021, 8779851, 10730929, 11423247, 18535241, 19731063, 32192787, 34269741, 55605723, 59193189, 72347231, 96578361, 118040219, 166817169, 203887651, 217041693, 354120657, 611662953, 651125079, 1062361971, 1834988859, 2242764161, 6728292483, 20184877449]

約数ペア:

[(1, 20184877449), (3, 6728292483), (9, 2242764161), (11, 1834988859), (19, 1062361971), (31, 651125079), (33, 611662953), (57, 354120657), (93, 217041693), (99, 203887651), (121, 166817169), (171, 118040219), (209, 96578361), (279, 72347231), (341, 59193189), (363, 55605723), (589, 34269741), (627, 32192787), (1023, 19731063), (1089, 18535241), (1767, 11423247), (1881, 10730929), (2299, 8779851), (3069, 6577021), (3751, 5381199), (5301, 3807749), (6479, 3115431), (6897, 2926617), (11253, 1793733), (19437, 1038477), (20691, 975539), (31469, 641421), (33759, 597911), (58311, 346159), (71269, 283221), (94407, 213807)]