20178244812

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{724481}}^1$

素因数の和:724710

約数の個数: 48

約数和(自身を含む): 51606301824

約数和(自身を除く): 31428057012

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 211, 422, 633, 844, 1266, 2321, 2532, 4642, 6963, 9284, 13926, 27852, 724481, 1448962, 2173443, 2897924, 4346886, 7969291, 8693772, 15938582, 23907873, 31877164, 47815746, 95631492, 152865491, 305730982, 458596473, 611461964, 917192946, 1681520401, 1834385892, 3363040802, 5044561203, 6726081604, 10089122406, 20178244812]

約数ペア:

[(1, 20178244812), (2, 10089122406), (3, 6726081604), (4, 5044561203), (6, 3363040802), (11, 1834385892), (12, 1681520401), (22, 917192946), (33, 611461964), (44, 458596473), (66, 305730982), (132, 152865491), (211, 95631492), (422, 47815746), (633, 31877164), (844, 23907873), (1266, 15938582), (2321, 8693772), (2532, 7969291), (4642, 4346886), (6963, 2897924), (9284, 2173443), (13926, 1448962), (27852, 724481)]