20199674275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{727261}}^1$

素因数の和:727383

約数の個数: 24

約数和(自身を含む): 27595229328

約数和(自身を除く): 7395555053

約数列:

[1, 5, 11, 25, 55, 101, 275, 505, 1111, 2525, 5555, 27775, 727261, 3636305, 7999871, 18181525, 39999355, 73453361, 199996775, 367266805, 807986971, 1836334025, 4039934855, 20199674275]

約数ペア:

[(1, 20199674275), (5, 4039934855), (11, 1836334025), (25, 807986971), (55, 367266805), (101, 199996775), (275, 73453361), (505, 39999355), (1111, 18181525), (2525, 7999871), (5555, 3636305), (27775, 727261)]