20099808

素因数分解:

$2^5\times 3^2\times {\mathrm{101}}^1\times {\mathrm{691}}^1$

素因数の和:808

約数の個数: 72

約数和(自身を含む): 57808296

約数和(自身を除く): 37708488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 101, 144, 202, 288, 303, 404, 606, 691, 808, 909, 1212, 1382, 1616, 1818, 2073, 2424, 2764, 3232, 3636, 4146, 4848, 5528, 6219, 7272, 8292, 9696, 11056, 12438, 14544, 16584, 22112, 24876, 29088, 33168, 49752, 66336, 69791, 99504, 139582, 199008, 209373, 279164, 418746, 558328, 628119, 837492, 1116656, 1256238, 1674984, 2233312, 2512476, 3349968, 5024952, 6699936, 10049904, 20099808]

約数ペア:

[(1, 20099808), (2, 10049904), (3, 6699936), (4, 5024952), (6, 3349968), (8, 2512476), (9, 2233312), (12, 1674984), (16, 1256238), (18, 1116656), (24, 837492), (32, 628119), (36, 558328), (48, 418746), (72, 279164), (96, 209373), (101, 199008), (144, 139582), (202, 99504), (288, 69791), (303, 66336), (404, 49752), (606, 33168), (691, 29088), (808, 24876), (909, 22112), (1212, 16584), (1382, 14544), (1616, 12438), (1818, 11056), (2073, 9696), (2424, 8292), (2764, 7272), (3232, 6219), (3636, 5528), (4146, 4848)]