20121590699

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{3259}}^1\times {\mathrm{6733}}^1$

素因数の和:10130

約数の個数: 16

約数和(自身を含む): 23182199040

約数和(自身を除く): 3060608341

約数列:

[1, 7, 131, 917, 3259, 6733, 22813, 47131, 426929, 882023, 2988503, 6174161, 21942847, 153599929, 2874512957, 20121590699]

約数ペア:

[(1, 20121590699), (7, 2874512957), (131, 153599929), (917, 21942847), (3259, 6174161), (6733, 2988503), (22813, 882023), (47131, 426929)]