20233905

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 34062336

約数和(自身を除く): 13828431

約数列:

[1, 3, 5, 15, 23, 69, 115, 223, 263, 345, 669, 789, 1115, 1315, 3345, 3945, 5129, 6049, 15387, 18147, 25645, 30245, 58649, 76935, 90735, 175947, 293245, 879735, 1348927, 4046781, 6744635, 20233905]

約数ペア:

[(1, 20233905), (3, 6744635), (5, 4046781), (15, 1348927), (23, 879735), (69, 293245), (115, 175947), (223, 90735), (263, 76935), (345, 58649), (669, 30245), (789, 25645), (1115, 18147), (1315, 15387), (3345, 6049), (3945, 5129)]