20156906

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 38738112

約数和(自身を除く): 18581206

約数列:

[1, 2, 7, 11, 14, 22, 73, 77, 121, 146, 154, 163, 242, 326, 511, 803, 847, 1022, 1141, 1606, 1694, 1793, 2282, 3586, 5621, 8833, 11242, 11899, 12551, 17666, 19723, 23798, 25102, 39446, 61831, 83293, 123662, 130889, 138061, 166586, 261778, 276122, 916223, 1439779, 1832446, 2879558, 10078453, 20156906]

約数ペア:

[(1, 20156906), (2, 10078453), (7, 2879558), (11, 1832446), (14, 1439779), (22, 916223), (73, 276122), (77, 261778), (121, 166586), (146, 138061), (154, 130889), (163, 123662), (242, 83293), (326, 61831), (511, 39446), (803, 25102), (847, 23798), (1022, 19723), (1141, 17666), (1606, 12551), (1694, 11899), (1793, 11242), (2282, 8833), (3586, 5621)]