20365772

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3583}}^1$

素因数の和:3630

約数の個数: 36

約数和(自身を含む): 42900480

約数和(自身を除く): 22534708

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 3583, 5684, 7166, 14332, 25081, 50162, 100324, 103907, 175567, 207814, 351134, 415628, 702268, 727349, 1454698, 2909396, 5091443, 10182886, 20365772]

約数ペア:

[(1, 20365772), (2, 10182886), (4, 5091443), (7, 2909396), (14, 1454698), (28, 727349), (29, 702268), (49, 415628), (58, 351134), (98, 207814), (116, 175567), (196, 103907), (203, 100324), (406, 50162), (812, 25081), (1421, 14332), (2842, 7166), (3583, 5684)]