20811942

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{17257}}^1$

素因数の和:17332

約数の個数: 24

約数和(自身を含む): 45768216

約数和(自身を除く): 24956274

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 17257, 34514, 51771, 103542, 155313, 310626, 1156219, 2312438, 3468657, 6937314, 10405971, 20811942]

約数ペア:

[(1, 20811942), (2, 10405971), (3, 6937314), (6, 3468657), (9, 2312438), (18, 1156219), (67, 310626), (134, 155313), (201, 103542), (402, 51771), (603, 34514), (1206, 17257)]