20859332

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{523}}^1$

素因数の和:612

約数の個数: 36

約数和(自身を含む): 40274640

約数和(自身を除く): 19415308

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 169, 236, 338, 523, 676, 767, 1046, 1534, 2092, 3068, 6799, 9971, 13598, 19942, 27196, 30857, 39884, 61714, 88387, 123428, 176774, 353548, 401141, 802282, 1604564, 5214833, 10429666, 20859332]

約数ペア:

[(1, 20859332), (2, 10429666), (4, 5214833), (13, 1604564), (26, 802282), (52, 401141), (59, 353548), (118, 176774), (169, 123428), (236, 88387), (338, 61714), (523, 39884), (676, 30857), (767, 27196), (1046, 19942), (1534, 13598), (2092, 9971), (3068, 6799)]