20983770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2179}}^1$

素因数の和:2299

約数の個数: 48

約数和(自身を含む): 55092960

約数和(自身を除く): 34109190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 107, 214, 321, 535, 642, 963, 1070, 1605, 1926, 2179, 3210, 4358, 4815, 6537, 9630, 10895, 13074, 19611, 21790, 32685, 39222, 65370, 98055, 196110, 233153, 466306, 699459, 1165765, 1398918, 2098377, 2331530, 3497295, 4196754, 6994590, 10491885, 20983770]

約数ペア:

[(1, 20983770), (2, 10491885), (3, 6994590), (5, 4196754), (6, 3497295), (9, 2331530), (10, 2098377), (15, 1398918), (18, 1165765), (30, 699459), (45, 466306), (90, 233153), (107, 196110), (214, 98055), (321, 65370), (535, 39222), (642, 32685), (963, 21790), (1070, 19611), (1605, 13074), (1926, 10895), (2179, 9630), (3210, 6537), (4358, 4815)]