20558746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{241}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 35492688

約数和(自身を除く): 14933942

約数列:

[1, 2, 13, 17, 26, 34, 193, 221, 241, 386, 442, 482, 2509, 3133, 3281, 4097, 5018, 6266, 6562, 8194, 42653, 46513, 53261, 85306, 93026, 106522, 604669, 790721, 1209338, 1581442, 10279373, 20558746]

約数ペア:

[(1, 20558746), (2, 10279373), (13, 1581442), (17, 1209338), (26, 790721), (34, 604669), (193, 106522), (221, 93026), (241, 85306), (386, 53261), (442, 46513), (482, 42653), (2509, 8194), (3133, 6562), (3281, 6266), (4097, 5018)]