20830684

素因数分解:

$2^2\times 7^2\times {\mathrm{106279}}^1$

素因数の和:106297

約数の個数: 18

約数和(自身を含む): 42405720

約数和(自身を除く): 21575036

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 106279, 212558, 425116, 743953, 1487906, 2975812, 5207671, 10415342, 20830684]

約数ペア:

[(1, 20830684), (2, 10415342), (4, 5207671), (7, 2975812), (14, 1487906), (28, 743953), (49, 425116), (98, 212558), (196, 106279)]