20789494

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{271}}^1\times {\mathrm{317}}^1$

素因数の和:612

約数の個数: 24

約数和(自身を含む): 34511904

約数和(自身を除く): 13722410

約数列:

[1, 2, 11, 22, 121, 242, 271, 317, 542, 634, 2981, 3487, 5962, 6974, 32791, 38357, 65582, 76714, 85907, 171814, 944977, 1889954, 10394747, 20789494]

約数ペア:

[(1, 20789494), (2, 10394747), (11, 1889954), (22, 944977), (121, 171814), (242, 85907), (271, 76714), (317, 65582), (542, 38357), (634, 32791), (2981, 6974), (3487, 5962)]