20464528

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2503}}^1$

素因数の和:2591

約数の個数: 40

約数和(自身を含む): 45953408

約数和(自身を除く): 25488880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 2503, 4088, 5006, 8176, 10012, 17521, 20024, 35042, 40048, 70084, 140168, 182719, 280336, 365438, 730876, 1279033, 1461752, 2558066, 2923504, 5116132, 10232264, 20464528]

約数ペア:

[(1, 20464528), (2, 10232264), (4, 5116132), (7, 2923504), (8, 2558066), (14, 1461752), (16, 1279033), (28, 730876), (56, 365438), (73, 280336), (112, 182719), (146, 140168), (292, 70084), (511, 40048), (584, 35042), (1022, 20024), (1168, 17521), (2044, 10012), (2503, 8176), (4088, 5006)]