20397244

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12347}}^1$

素因数の和:12417

約数の個数: 24

約数和(自身を含む): 41489280

約数和(自身を除く): 21092036

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12347, 24694, 49388, 86429, 172858, 345716, 728473, 1456946, 2913892, 5099311, 10198622, 20397244]

約数ペア:

[(1, 20397244), (2, 10198622), (4, 5099311), (7, 2913892), (14, 1456946), (28, 728473), (59, 345716), (118, 172858), (236, 86429), (413, 49388), (826, 24694), (1652, 12347)]