20138892

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 49496832

約数和(自身を除く): 29357940

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 131, 138, 262, 276, 393, 524, 557, 786, 1114, 1572, 1671, 2228, 3013, 3342, 6026, 6684, 9039, 12052, 12811, 18078, 25622, 36156, 38433, 51244, 72967, 76866, 145934, 153732, 218901, 291868, 437802, 875604, 1678241, 3356482, 5034723, 6712964, 10069446, 20138892]

約数ペア:

[(1, 20138892), (2, 10069446), (3, 6712964), (4, 5034723), (6, 3356482), (12, 1678241), (23, 875604), (46, 437802), (69, 291868), (92, 218901), (131, 153732), (138, 145934), (262, 76866), (276, 72967), (393, 51244), (524, 38433), (557, 36156), (786, 25622), (1114, 18078), (1572, 12811), (1671, 12052), (2228, 9039), (3013, 6684), (3342, 6026)]