20511288

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{40697}}^1$

素因数の和:40716

約数の個数: 48

約数和(自身を含む): 63488880

約数和(自身を除く): 42977592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 40697, 81394, 122091, 162788, 244182, 284879, 325576, 366273, 488364, 569758, 732546, 854637, 976728, 1139516, 1465092, 1709274, 2279032, 2563911, 2930184, 3418548, 5127822, 6837096, 10255644, 20511288]

約数ペア:

[(1, 20511288), (2, 10255644), (3, 6837096), (4, 5127822), (6, 3418548), (7, 2930184), (8, 2563911), (9, 2279032), (12, 1709274), (14, 1465092), (18, 1139516), (21, 976728), (24, 854637), (28, 732546), (36, 569758), (42, 488364), (56, 366273), (63, 325576), (72, 284879), (84, 244182), (126, 162788), (168, 122091), (252, 81394), (504, 40697)]