20672256

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{2447}}^1$

素因数の和:2477

約数の個数: 72

約数和(自身を含む): 60044544

約数和(自身を除く): 39372288

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 256, 264, 352, 384, 528, 704, 768, 1056, 1408, 2112, 2447, 2816, 4224, 4894, 7341, 8448, 9788, 14682, 19576, 26917, 29364, 39152, 53834, 58728, 78304, 80751, 107668, 117456, 156608, 161502, 215336, 234912, 313216, 323004, 430672, 469824, 626432, 646008, 861344, 939648, 1292016, 1722688, 1879296, 2584032, 3445376, 5168064, 6890752, 10336128, 20672256]

約数ペア:

[(1, 20672256), (2, 10336128), (3, 6890752), (4, 5168064), (6, 3445376), (8, 2584032), (11, 1879296), (12, 1722688), (16, 1292016), (22, 939648), (24, 861344), (32, 646008), (33, 626432), (44, 469824), (48, 430672), (64, 323004), (66, 313216), (88, 234912), (96, 215336), (128, 161502), (132, 156608), (176, 117456), (192, 107668), (256, 80751), (264, 78304), (352, 58728), (384, 53834), (528, 39152), (704, 29364), (768, 26917), (1056, 19576), (1408, 14682), (2112, 9788), (2447, 8448), (2816, 7341), (4224, 4894)]