20895812

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{10223}}^1$

素因数の和:10307

約数の個数: 24

約数和(自身を含む): 42368256

約数和(自身を除く): 21472444

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 10223, 20446, 40892, 71561, 143122, 286244, 746279, 1492558, 2985116, 5223953, 10447906, 20895812]

約数ペア:

[(1, 20895812), (2, 10447906), (4, 5223953), (7, 2985116), (14, 1492558), (28, 746279), (73, 286244), (146, 143122), (292, 71561), (511, 40892), (1022, 20446), (2044, 10223)]