20784820635

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{117319}}^1$

素因数の和:117488

約数の個数: 48

約数和(自身を含む): 37482332160

約数和(自身を除く): 16697511525

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 127, 155, 279, 381, 465, 635, 1143, 1395, 1905, 3937, 5715, 11811, 19685, 35433, 59055, 117319, 177165, 351957, 586595, 1055871, 1759785, 3636889, 5279355, 10910667, 14899513, 18184445, 32732001, 44698539, 54553335, 74497565, 134095617, 163660005, 223492695, 461884903, 670478085, 1385654709, 2309424515, 4156964127, 6928273545, 20784820635]

約数ペア:

[(1, 20784820635), (3, 6928273545), (5, 4156964127), (9, 2309424515), (15, 1385654709), (31, 670478085), (45, 461884903), (93, 223492695), (127, 163660005), (155, 134095617), (279, 74497565), (381, 54553335), (465, 44698539), (635, 32732001), (1143, 18184445), (1395, 14899513), (1905, 10910667), (3937, 5279355), (5715, 3636889), (11811, 1759785), (19685, 1055871), (35433, 586595), (59055, 351957), (117319, 177165)]