20163038

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 35555520

約数和(自身を除く): 15392482

約数列:

[1, 2, 7, 14, 73, 109, 146, 181, 218, 362, 511, 763, 1022, 1267, 1526, 2534, 7957, 13213, 15914, 19729, 26426, 39458, 55699, 92491, 111398, 138103, 184982, 276206, 1440217, 2880434, 10081519, 20163038]

約数ペア:

[(1, 20163038), (2, 10081519), (7, 2880434), (14, 1440217), (73, 276206), (109, 184982), (146, 138103), (181, 111398), (218, 92491), (362, 55699), (511, 39458), (763, 26426), (1022, 19729), (1267, 15914), (1526, 13213), (2534, 7957)]