20005832

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 47831040

約数和(自身を除く): 27825208

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 47, 56, 77, 88, 94, 154, 188, 308, 329, 376, 517, 616, 658, 691, 1034, 1316, 1382, 2068, 2632, 2764, 3619, 4136, 4837, 5528, 7238, 7601, 9674, 14476, 15202, 19348, 28952, 30404, 32477, 38696, 53207, 60808, 64954, 106414, 129908, 212828, 227339, 259816, 357247, 425656, 454678, 714494, 909356, 1428988, 1818712, 2500729, 2857976, 5001458, 10002916, 20005832]

約数ペア:

[(1, 20005832), (2, 10002916), (4, 5001458), (7, 2857976), (8, 2500729), (11, 1818712), (14, 1428988), (22, 909356), (28, 714494), (44, 454678), (47, 425656), (56, 357247), (77, 259816), (88, 227339), (94, 212828), (154, 129908), (188, 106414), (308, 64954), (329, 60808), (376, 53207), (517, 38696), (616, 32477), (658, 30404), (691, 28952), (1034, 19348), (1316, 15202), (1382, 14476), (2068, 9674), (2632, 7601), (2764, 7238), (3619, 5528), (4136, 4837)]