20742596

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1039}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 44728320

約数和(自身を除く): 23985724

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 46, 62, 92, 124, 161, 217, 322, 434, 644, 713, 868, 1039, 1426, 2078, 2852, 4156, 4991, 7273, 9982, 14546, 19964, 23897, 29092, 32209, 47794, 64418, 95588, 128836, 167279, 225463, 334558, 450926, 669116, 740807, 901852, 1481614, 2963228, 5185649, 10371298, 20742596]

約数ペア:

[(1, 20742596), (2, 10371298), (4, 5185649), (7, 2963228), (14, 1481614), (23, 901852), (28, 740807), (31, 669116), (46, 450926), (62, 334558), (92, 225463), (124, 167279), (161, 128836), (217, 95588), (322, 64418), (434, 47794), (644, 32209), (713, 29092), (868, 23897), (1039, 19964), (1426, 14546), (2078, 9982), (2852, 7273), (4156, 4991)]