20605956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12911}}^1$

素因数の和:12944

約数の個数: 48

約数和(自身を含む): 57845760

約数和(自身を除く): 37239804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 12911, 25822, 38733, 51644, 77466, 90377, 154932, 180754, 245309, 271131, 361508, 490618, 542262, 735927, 981236, 1084524, 1471854, 1717163, 2943708, 3434326, 5151489, 6868652, 10302978, 20605956]

約数ペア:

[(1, 20605956), (2, 10302978), (3, 6868652), (4, 5151489), (6, 3434326), (7, 2943708), (12, 1717163), (14, 1471854), (19, 1084524), (21, 981236), (28, 735927), (38, 542262), (42, 490618), (57, 361508), (76, 271131), (84, 245309), (114, 180754), (133, 154932), (228, 90377), (266, 77466), (399, 51644), (532, 38733), (798, 25822), (1596, 12911)]