20220256798

素因数分解:

$2^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{221621}}^1$

素因数の和:221670

約数の個数: 40

約数和(自身を含む): 37245793320

約数和(自身を除く): 17025536522

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 343, 686, 931, 1862, 2401, 4802, 6517, 13034, 45619, 91238, 221621, 443242, 1551347, 3102694, 4210799, 8421598, 10859429, 21718858, 29475593, 58951186, 76016003, 152032006, 206329151, 412658302, 532112021, 1064224042, 1444304057, 2888608114, 10110128399, 20220256798]

約数ペア:

[(1, 20220256798), (2, 10110128399), (7, 2888608114), (14, 1444304057), (19, 1064224042), (38, 532112021), (49, 412658302), (98, 206329151), (133, 152032006), (266, 76016003), (343, 58951186), (686, 29475593), (931, 21718858), (1862, 10859429), (2401, 8421598), (4802, 4210799), (6517, 3102694), (13034, 1551347), (45619, 443242), (91238, 221621)]