20138752

素因数分解:

$2^8\times {\mathrm{97}}^1\times {\mathrm{811}}^1$

素因数の和:924

約数の個数: 36

約数和(自身を含む): 40663336

約数和(自身を除く): 20524584

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 256, 388, 776, 811, 1552, 1622, 3104, 3244, 6208, 6488, 12416, 12976, 24832, 25952, 51904, 78667, 103808, 157334, 207616, 314668, 629336, 1258672, 2517344, 5034688, 10069376, 20138752]

約数ペア:

[(1, 20138752), (2, 10069376), (4, 5034688), (8, 2517344), (16, 1258672), (32, 629336), (64, 314668), (97, 207616), (128, 157334), (194, 103808), (256, 78667), (388, 51904), (776, 25952), (811, 24832), (1552, 12976), (1622, 12416), (3104, 6488), (3244, 6208)]