20985048

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13879}}^1$

素因数の和:13901

約数の個数: 64

約数和(自身を含む): 66624000

約数和(自身を除く): 45638952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13879, 27758, 41637, 55516, 83274, 97153, 111032, 124911, 166548, 194306, 249822, 291459, 333096, 374733, 388612, 499644, 582918, 749466, 777224, 874377, 999288, 1165836, 1498932, 1748754, 2331672, 2623131, 2997864, 3497508, 5246262, 6995016, 10492524, 20985048]

約数ペア:

[(1, 20985048), (2, 10492524), (3, 6995016), (4, 5246262), (6, 3497508), (7, 2997864), (8, 2623131), (9, 2331672), (12, 1748754), (14, 1498932), (18, 1165836), (21, 999288), (24, 874377), (27, 777224), (28, 749466), (36, 582918), (42, 499644), (54, 388612), (56, 374733), (63, 333096), (72, 291459), (84, 249822), (108, 194306), (126, 166548), (168, 124911), (189, 111032), (216, 97153), (252, 83274), (378, 55516), (504, 41637), (756, 27758), (1512, 13879)]