20201789540

素因数分解:

$2^2\times 5^1\times {\mathrm{6863}}^1\times {\mathrm{147179}}^1$

素因数の和:154051

約数の個数: 24

約数和(自身を含む): 42430227840

約数和(自身を除く): 22228438300

約数列:

[1, 2, 4, 5, 10, 20, 6863, 13726, 27452, 34315, 68630, 137260, 147179, 294358, 588716, 735895, 1471790, 2943580, 1010089477, 2020178954, 4040357908, 5050447385, 10100894770, 20201789540]

約数ペア:

[(1, 20201789540), (2, 10100894770), (4, 5050447385), (5, 4040357908), (10, 2020178954), (20, 1010089477), (6863, 2943580), (13726, 1471790), (27452, 735895), (34315, 588716), (68630, 294358), (137260, 147179)]