20191875885

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{283813}}^1$

素因数の和:283875

約数の個数: 64

約数和(自身を含む): 39234447360

約数和(自身を除く): 19042571475

約数列:

[1, 3, 5, 9, 15, 17, 27, 31, 45, 51, 85, 93, 135, 153, 155, 255, 279, 459, 465, 527, 765, 837, 1395, 1581, 2295, 2635, 4185, 4743, 7905, 14229, 23715, 71145, 283813, 851439, 1419065, 2554317, 4257195, 4824821, 7662951, 8798203, 12771585, 14474463, 24124105, 26394609, 38314755, 43423389, 43991015, 72372315, 79183827, 130270167, 131973045, 149569451, 217116945, 237551481, 395919135, 448708353, 651350835, 747847255, 1187757405, 1346125059, 2243541765, 4038375177, 6730625295, 20191875885]

約数ペア:

[(1, 20191875885), (3, 6730625295), (5, 4038375177), (9, 2243541765), (15, 1346125059), (17, 1187757405), (27, 747847255), (31, 651350835), (45, 448708353), (51, 395919135), (85, 237551481), (93, 217116945), (135, 149569451), (153, 131973045), (155, 130270167), (255, 79183827), (279, 72372315), (459, 43991015), (465, 43423389), (527, 38314755), (765, 26394609), (837, 24124105), (1395, 14474463), (1581, 12771585), (2295, 8798203), (2635, 7662951), (4185, 4824821), (4743, 4257195), (7905, 2554317), (14229, 1419065), (23715, 851439), (71145, 283813)]