20766486721

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{9887}}^1$

素因数の和:10053

約数の個数: 32

約数和(自身を含む): 23237591040

約数和(自身を除く): 2471104319

約数列:

[1, 23, 29, 47, 67, 667, 1081, 1363, 1541, 1943, 3149, 9887, 31349, 44689, 72427, 91321, 227401, 286723, 464689, 662429, 2100383, 6594629, 10687847, 13475981, 15235867, 19210441, 31134163, 309947563, 441840143, 716085749, 902890727, 20766486721]

約数ペア:

[(1, 20766486721), (23, 902890727), (29, 716085749), (47, 441840143), (67, 309947563), (667, 31134163), (1081, 19210441), (1363, 15235867), (1541, 13475981), (1943, 10687847), (3149, 6594629), (9887, 2100383), (31349, 662429), (44689, 464689), (72427, 286723), (91321, 227401)]