20218745057

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{264529}}^1$

素因数の和:264776

約数の個数: 16

約数和(自身を含む): 23617238400

約数和(自身を除く): 3398493343

約数列:

[1, 7, 61, 179, 427, 1253, 10919, 76433, 264529, 1851703, 16136269, 47350691, 112953883, 331454837, 2888392151, 20218745057]

約数ペア:

[(1, 20218745057), (7, 2888392151), (61, 331454837), (179, 112953883), (427, 47350691), (1253, 16136269), (10919, 1851703), (76433, 264529)]