20419310

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{653}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 38141280

約数和(自身を除く): 17721970

約数列:

[1, 2, 5, 10, 53, 59, 106, 118, 265, 295, 530, 590, 653, 1306, 3127, 3265, 6254, 6530, 15635, 31270, 34609, 38527, 69218, 77054, 173045, 192635, 346090, 385270, 2041931, 4083862, 10209655, 20419310]

約数ペア:

[(1, 20419310), (2, 10209655), (5, 4083862), (10, 2041931), (53, 385270), (59, 346090), (106, 192635), (118, 173045), (265, 77054), (295, 69218), (530, 38527), (590, 34609), (653, 31270), (1306, 15635), (3127, 6530), (3265, 6254)]