20481378

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{1231}}^1$

素因数の和:1342

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 22096542

約数列:

[1, 2, 3, 6, 47, 59, 94, 118, 141, 177, 282, 354, 1231, 2462, 2773, 3693, 5546, 7386, 8319, 16638, 57857, 72629, 115714, 145258, 173571, 217887, 347142, 435774, 3413563, 6827126, 10240689, 20481378]

約数ペア:

[(1, 20481378), (2, 10240689), (3, 6827126), (6, 3413563), (47, 435774), (59, 347142), (94, 217887), (118, 173571), (141, 145258), (177, 115714), (282, 72629), (354, 57857), (1231, 16638), (2462, 8319), (2773, 7386), (3693, 5546)]