20305065

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1129}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 35798400

約数和(自身を除く): 15493335

約数列:

[1, 3, 5, 11, 15, 33, 55, 109, 165, 327, 545, 1129, 1199, 1635, 3387, 3597, 5645, 5995, 12419, 16935, 17985, 37257, 62095, 123061, 186285, 369183, 615305, 1353671, 1845915, 4061013, 6768355, 20305065]

約数ペア:

[(1, 20305065), (3, 6768355), (5, 4061013), (11, 1845915), (15, 1353671), (33, 615305), (55, 369183), (109, 186285), (165, 123061), (327, 62095), (545, 37257), (1129, 17985), (1199, 16935), (1635, 12419), (3387, 5995), (3597, 5645)]