20513504

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{577}}^1$

素因数の和:699

約数の個数: 48

約数和(自身を含む): 44570736

約数和(自身を除く): 24057232

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 101, 176, 202, 352, 404, 577, 808, 1111, 1154, 1616, 2222, 2308, 3232, 4444, 4616, 6347, 8888, 9232, 12694, 17776, 18464, 25388, 35552, 50776, 58277, 101552, 116554, 203104, 233108, 466216, 641047, 932432, 1282094, 1864864, 2564188, 5128376, 10256752, 20513504]

約数ペア:

[(1, 20513504), (2, 10256752), (4, 5128376), (8, 2564188), (11, 1864864), (16, 1282094), (22, 932432), (32, 641047), (44, 466216), (88, 233108), (101, 203104), (176, 116554), (202, 101552), (352, 58277), (404, 50776), (577, 35552), (808, 25388), (1111, 18464), (1154, 17776), (1616, 12694), (2222, 9232), (2308, 8888), (3232, 6347), (4444, 4616)]