20766760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{74167}}^1$

素因数の和:74185

約数の個数: 32

約数和(自身を含む): 53400960

約数和(自身を除く): 32634200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 74167, 148334, 296668, 370835, 519169, 593336, 741670, 1038338, 1483340, 2076676, 2595845, 2966680, 4153352, 5191690, 10383380, 20766760]

約数ペア:

[(1, 20766760), (2, 10383380), (4, 5191690), (5, 4153352), (7, 2966680), (8, 2595845), (10, 2076676), (14, 1483340), (20, 1038338), (28, 741670), (35, 593336), (40, 519169), (56, 370835), (70, 296668), (140, 148334), (280, 74167)]