20686540064

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{45631}}^1$

素因数の和:46129

約数の個数: 48

約数和(自身を含む): 42133303296

約数和(自身を除く): 21446763232

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 457, 496, 914, 992, 1828, 3656, 7312, 14167, 14624, 28334, 45631, 56668, 91262, 113336, 182524, 226672, 365048, 453344, 730096, 1414561, 1460192, 2829122, 5658244, 11316488, 20853367, 22632976, 41706734, 45265952, 83413468, 166826936, 333653872, 646454377, 667307744, 1292908754, 2585817508, 5171635016, 10343270032, 20686540064]

約数ペア:

[(1, 20686540064), (2, 10343270032), (4, 5171635016), (8, 2585817508), (16, 1292908754), (31, 667307744), (32, 646454377), (62, 333653872), (124, 166826936), (248, 83413468), (457, 45265952), (496, 41706734), (914, 22632976), (992, 20853367), (1828, 11316488), (3656, 5658244), (7312, 2829122), (14167, 1460192), (14624, 1414561), (28334, 730096), (45631, 453344), (56668, 365048), (91262, 226672), (113336, 182524)]