20549001

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 10969719

約数列:

[1, 3, 11, 31, 33, 53, 93, 159, 341, 379, 583, 1023, 1137, 1643, 1749, 4169, 4929, 11749, 12507, 18073, 20087, 35247, 54219, 60261, 129239, 220957, 387717, 622697, 662871, 1868091, 6849667, 20549001]

約数ペア:

[(1, 20549001), (3, 6849667), (11, 1868091), (31, 662871), (33, 622697), (53, 387717), (93, 220957), (159, 129239), (341, 60261), (379, 54219), (583, 35247), (1023, 20087), (1137, 18073), (1643, 12507), (1749, 11749), (4169, 4929)]