20042768

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30553}}^1$

素因数の和:30602

約数の個数: 20

約数和(自身を含む): 39781308

約数和(自身を除く): 19738540

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30553, 61106, 122212, 244424, 488848, 1252673, 2505346, 5010692, 10021384, 20042768]

約数ペア:

[(1, 20042768), (2, 10021384), (4, 5010692), (8, 2505346), (16, 1252673), (41, 488848), (82, 244424), (164, 122212), (328, 61106), (656, 30553)]