20684254

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:256

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 12861986

約数列:

[1, 2, 31, 41, 62, 79, 82, 103, 158, 206, 1271, 2449, 2542, 3193, 3239, 4223, 4898, 6386, 6478, 8137, 8446, 16274, 100409, 130913, 200818, 252247, 261826, 333617, 504494, 667234, 10342127, 20684254]

約数ペア:

[(1, 20684254), (2, 10342127), (31, 667234), (41, 504494), (62, 333617), (79, 261826), (82, 252247), (103, 200818), (158, 130913), (206, 100409), (1271, 16274), (2449, 8446), (2542, 8137), (3193, 6478), (3239, 6386), (4223, 4898)]