20314367521

素因数分解:

$7^2\times {\mathrm{641}}^2\times {\mathrm{1009}}^1$

素因数の和:2305

約数の個数: 18

約数和(自身を含む): 23691379110

約数和(自身を除く): 3377011589

約数列:

[1, 7, 49, 641, 1009, 4487, 7063, 31409, 49441, 410881, 646769, 2876167, 4527383, 20133169, 31691681, 414578929, 2902052503, 20314367521]

約数ペア:

[(1, 20314367521), (7, 2902052503), (49, 414578929), (641, 31691681), (1009, 20133169), (4487, 4527383), (7063, 2876167), (31409, 646769), (49441, 410881)]