20104105

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{683}}^1$

素因数の和:753

約数の個数: 24

約数和(自身を含む): 28596672

約数和(自身を除く): 8492567

約数列:

[1, 5, 7, 29, 35, 145, 203, 683, 841, 1015, 3415, 4205, 4781, 5887, 19807, 23905, 29435, 99035, 138649, 574403, 693245, 2872015, 4020821, 20104105]

約数ペア:

[(1, 20104105), (5, 4020821), (7, 2872015), (29, 693245), (35, 574403), (145, 138649), (203, 99035), (683, 29435), (841, 23905), (1015, 19807), (3415, 5887), (4205, 4781)]