20244490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2111}}^1$

素因数の和:2262

約数の個数: 32

約数和(自身を含む): 41969664

約数和(自身を除く): 21725174

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 2111, 4222, 4795, 9590, 10555, 14777, 21110, 29554, 73885, 147770, 289207, 578414, 1446035, 2024449, 2892070, 4048898, 10122245, 20244490]

約数ペア:

[(1, 20244490), (2, 10122245), (5, 4048898), (7, 2892070), (10, 2024449), (14, 1446035), (35, 578414), (70, 289207), (137, 147770), (274, 73885), (685, 29554), (959, 21110), (1370, 14777), (1918, 10555), (2111, 9590), (4222, 4795)]