20929363

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 27772416

約数和(自身を除く): 6843053

約数列:

[1, 7, 13, 17, 83, 91, 119, 163, 221, 581, 1079, 1141, 1411, 1547, 2119, 2771, 7553, 9877, 13529, 14833, 18343, 19397, 36023, 94703, 128401, 175877, 229993, 252161, 1231139, 1609951, 2989909, 20929363]

約数ペア:

[(1, 20929363), (7, 2989909), (13, 1609951), (17, 1231139), (83, 252161), (91, 229993), (119, 175877), (163, 128401), (221, 94703), (581, 36023), (1079, 19397), (1141, 18343), (1411, 14833), (1547, 13529), (2119, 9877), (2771, 7553)]