20294722

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 37818360

約数和(自身を除く): 17523638

約数列:

[1, 2, 7, 14, 29, 37, 49, 58, 74, 98, 193, 203, 259, 386, 406, 518, 1073, 1351, 1421, 1813, 2146, 2702, 2842, 3626, 5597, 7141, 7511, 9457, 11194, 14282, 15022, 18914, 39179, 49987, 52577, 78358, 99974, 105154, 207089, 274253, 349909, 414178, 548506, 699818, 1449623, 2899246, 10147361, 20294722]

約数ペア:

[(1, 20294722), (2, 10147361), (7, 2899246), (14, 1449623), (29, 699818), (37, 548506), (49, 414178), (58, 349909), (74, 274253), (98, 207089), (193, 105154), (203, 99974), (259, 78358), (386, 52577), (406, 49987), (518, 39179), (1073, 18914), (1351, 15022), (1421, 14282), (1813, 11194), (2146, 9457), (2702, 7511), (2842, 7141), (3626, 5597)]