200820211221

素因数分解:

$3^1\times 7^1\times {\mathrm{150343}}^1\times {\mathrm{63607}}^1$

素因数の和:213960

約数の個数: 16

約数和(自身を含む): 306018596864

約数和(自身を除く): 105198385643

約数列:

[1, 3, 7, 21, 63607, 150343, 190821, 445249, 451029, 1052401, 1335747, 3157203, 9562867201, 28688601603, 66940070407, 200820211221]

約数ペア:

[(1, 200820211221), (3, 66940070407), (7, 28688601603), (21, 9562867201), (63607, 3157203), (150343, 1335747), (190821, 1052401), (445249, 451029)]