20509272

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{40693}}^1$

素因数の和:40712

約数の個数: 48

約数和(自身を含む): 63482640

約数和(自身を除く): 42973368

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, 40693, 81386, 122079, 162772, 244158, 284851, 325544, 366237, 488316, 569702, 732474, 854553, 976632, 1139404, 1464948, 1709106, 2278808, 2563659, 2929896, 3418212, 5127318, 6836424, 10254636, 20509272]

約数ペア:

[(1, 20509272), (2, 10254636), (3, 6836424), (4, 5127318), (6, 3418212), (7, 2929896), (8, 2563659), (9, 2278808), (12, 1709106), (14, 1464948), (18, 1139404), (21, 976632), (24, 854553), (28, 732474), (36, 569702), (42, 488316), (56, 366237), (63, 325544), (72, 284851), (84, 244158), (126, 162772), (168, 122079), (252, 81386), (504, 40693)]