20042306

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 32762880

約数和(自身を除く): 12720574

約数列:

[1, 2, 29, 31, 58, 62, 71, 142, 157, 314, 899, 1798, 2059, 2201, 4118, 4402, 4553, 4867, 9106, 9734, 11147, 22294, 63829, 127658, 141143, 282286, 323263, 345557, 646526, 691114, 10021153, 20042306]

約数ペア:

[(1, 20042306), (2, 10021153), (29, 691114), (31, 646526), (58, 345557), (62, 323263), (71, 282286), (142, 141143), (157, 127658), (314, 63829), (899, 22294), (1798, 11147), (2059, 9734), (2201, 9106), (4118, 4867), (4402, 4553)]