20514864

素因数分解:

$2^4\times 3^1\times {\mathrm{67}}^1\times {\mathrm{6379}}^1$

素因数の和:6457

約数の個数: 40

約数和(自身を含む): 53796160

約数和(自身を除く): 33281296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 67, 134, 201, 268, 402, 536, 804, 1072, 1608, 3216, 6379, 12758, 19137, 25516, 38274, 51032, 76548, 102064, 153096, 306192, 427393, 854786, 1282179, 1709572, 2564358, 3419144, 5128716, 6838288, 10257432, 20514864]

約数ペア:

[(1, 20514864), (2, 10257432), (3, 6838288), (4, 5128716), (6, 3419144), (8, 2564358), (12, 1709572), (16, 1282179), (24, 854786), (48, 427393), (67, 306192), (134, 153096), (201, 102064), (268, 76548), (402, 51032), (536, 38274), (804, 25516), (1072, 19137), (1608, 12758), (3216, 6379)]