20459256

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 53498880

約数和(自身を除く): 33039624

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 107, 124, 186, 214, 248, 257, 321, 372, 428, 514, 642, 744, 771, 856, 1028, 1284, 1542, 2056, 2568, 3084, 3317, 6168, 6634, 7967, 9951, 13268, 15934, 19902, 23901, 26536, 27499, 31868, 39804, 47802, 54998, 63736, 79608, 82497, 95604, 109996, 164994, 191208, 219992, 329988, 659976, 852469, 1704938, 2557407, 3409876, 5114814, 6819752, 10229628, 20459256]

約数ペア:

[(1, 20459256), (2, 10229628), (3, 6819752), (4, 5114814), (6, 3409876), (8, 2557407), (12, 1704938), (24, 852469), (31, 659976), (62, 329988), (93, 219992), (107, 191208), (124, 164994), (186, 109996), (214, 95604), (248, 82497), (257, 79608), (321, 63736), (372, 54998), (428, 47802), (514, 39804), (642, 31868), (744, 27499), (771, 26536), (856, 23901), (1028, 19902), (1284, 15934), (1542, 13268), (2056, 9951), (2568, 7967), (3084, 6634), (3317, 6168)]