20854196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15289}}^1$

素因数の和:15335

約数の個数: 24

約数和(自身を含む): 41099520

約数和(自身を除く): 20245324

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 15289, 30578, 61156, 168179, 336358, 473959, 672716, 947918, 1895836, 5213549, 10427098, 20854196]

約数ペア:

[(1, 20854196), (2, 10427098), (4, 5213549), (11, 1895836), (22, 947918), (31, 672716), (44, 473959), (62, 336358), (124, 168179), (341, 61156), (682, 30578), (1364, 15289)]