20645304

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{20981}}^1$

素因数の和:21031

約数の個数: 32

約数和(自身を含む): 52874640

約数和(自身を除く): 32229336

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984, 20981, 41962, 62943, 83924, 125886, 167848, 251772, 503544, 860221, 1720442, 2580663, 3440884, 5161326, 6881768, 10322652, 20645304]

約数ペア:

[(1, 20645304), (2, 10322652), (3, 6881768), (4, 5161326), (6, 3440884), (8, 2580663), (12, 1720442), (24, 860221), (41, 503544), (82, 251772), (123, 167848), (164, 125886), (246, 83924), (328, 62943), (492, 41962), (984, 20981)]