20041208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4297}}^1$

素因数の和:4367

約数の個数: 32

約数和(自身を含む): 41776560

約数和(自身を除く): 21735352

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 212, 424, 583, 1166, 2332, 4297, 4664, 8594, 17188, 34376, 47267, 94534, 189068, 227741, 378136, 455482, 910964, 1821928, 2505151, 5010302, 10020604, 20041208]

約数ペア:

[(1, 20041208), (2, 10020604), (4, 5010302), (8, 2505151), (11, 1821928), (22, 910964), (44, 455482), (53, 378136), (88, 227741), (106, 189068), (212, 94534), (424, 47267), (583, 34376), (1166, 17188), (2332, 8594), (4297, 4664)]