20717367524

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19997459}}^1$

素因数の和:19997507

約数の個数: 24

約数和(自身を含む): 42554594880

約数和(自身を除く): 21837227356

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 19997459, 39994918, 79989836, 139982213, 279964426, 559928852, 739905983, 1479811966, 2959623932, 5179341881, 10358683762, 20717367524]

約数ペア:

[(1, 20717367524), (2, 10358683762), (4, 5179341881), (7, 2959623932), (14, 1479811966), (28, 739905983), (37, 559928852), (74, 279964426), (148, 139982213), (259, 79989836), (518, 39994918), (1036, 19997459)]