820121212

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{88261}}^1$

素因数の和:88389

約数の個数: 24

約数和(自身を含む): 1512457632

約数和(自身を除く): 692336420

約数列:

[1, 2, 4, 23, 46, 92, 101, 202, 404, 2323, 4646, 9292, 88261, 176522, 353044, 2030003, 4060006, 8120012, 8914361, 17828722, 35657444, 205030303, 410060606, 820121212]

約数ペア:

[(1, 820121212), (2, 410060606), (4, 205030303), (23, 35657444), (46, 17828722), (92, 8914361), (101, 8120012), (202, 4060006), (404, 2030003), (2323, 353044), (4646, 176522), (9292, 88261)]