20400268

素因数分解:

$2^2\times 7^3\times {\mathrm{14869}}^1$

素因数の和:14894

約数の個数: 24

約数和(自身を含む): 41636000

約数和(自身を除く): 21235732

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 14869, 29738, 59476, 104083, 208166, 416332, 728581, 1457162, 2914324, 5100067, 10200134, 20400268]

約数ペア:

[(1, 20400268), (2, 10200134), (4, 5100067), (7, 2914324), (14, 1457162), (28, 728581), (49, 416332), (98, 208166), (196, 104083), (343, 59476), (686, 29738), (1372, 14869)]