20341083

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 32569344

約数和(自身を除く): 12228261

約数列:

[1, 3, 7, 21, 37, 47, 111, 141, 259, 329, 557, 777, 987, 1671, 1739, 3899, 5217, 11697, 12173, 20609, 26179, 36519, 61827, 78537, 144263, 183253, 432789, 549759, 968623, 2905869, 6780361, 20341083]

約数ペア:

[(1, 20341083), (3, 6780361), (7, 2905869), (21, 968623), (37, 549759), (47, 432789), (111, 183253), (141, 144263), (259, 78537), (329, 61827), (557, 36519), (777, 26179), (987, 20609), (1671, 12173), (1739, 11697), (3899, 5217)]