20172953638

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{458039}}^1$

素因数の和:458140

約数の個数: 24

約数和(自身を含む): 32459462640

約数和(自身を除く): 12286509002

約数列:

[1, 2, 19, 38, 61, 122, 361, 722, 1159, 2318, 22021, 44042, 458039, 916078, 8702741, 17405482, 27940379, 55880758, 165352079, 330704158, 530867201, 1061734402, 10086476819, 20172953638]

約数ペア:

[(1, 20172953638), (2, 10086476819), (19, 1061734402), (38, 530867201), (61, 330704158), (122, 165352079), (361, 55880758), (722, 27940379), (1159, 17405482), (2318, 8702741), (22021, 916078), (44042, 458039)]