20697540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{344959}}^1$

素因数の和:344971

約数の個数: 24

約数和(自身を含む): 57953280

約数和(自身を除く): 37255740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 344959, 689918, 1034877, 1379836, 1724795, 2069754, 3449590, 4139508, 5174385, 6899180, 10348770, 20697540]

約数ペア:

[(1, 20697540), (2, 10348770), (3, 6899180), (4, 5174385), (5, 4139508), (6, 3449590), (10, 2069754), (12, 1724795), (15, 1379836), (20, 1034877), (30, 689918), (60, 344959)]