20979456

素因数分解:

$2^8\times 3^1\times {\mathrm{59}}^1\times {\mathrm{463}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 56904960

約数和(自身を除く): 35925504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 59, 64, 96, 118, 128, 177, 192, 236, 256, 354, 384, 463, 472, 708, 768, 926, 944, 1389, 1416, 1852, 1888, 2778, 2832, 3704, 3776, 5556, 5664, 7408, 7552, 11112, 11328, 14816, 15104, 22224, 22656, 27317, 29632, 44448, 45312, 54634, 59264, 81951, 88896, 109268, 118528, 163902, 177792, 218536, 327804, 355584, 437072, 655608, 874144, 1311216, 1748288, 2622432, 3496576, 5244864, 6993152, 10489728, 20979456]

約数ペア:

[(1, 20979456), (2, 10489728), (3, 6993152), (4, 5244864), (6, 3496576), (8, 2622432), (12, 1748288), (16, 1311216), (24, 874144), (32, 655608), (48, 437072), (59, 355584), (64, 327804), (96, 218536), (118, 177792), (128, 163902), (177, 118528), (192, 109268), (236, 88896), (256, 81951), (354, 59264), (384, 54634), (463, 45312), (472, 44448), (708, 29632), (768, 27317), (926, 22656), (944, 22224), (1389, 15104), (1416, 14816), (1852, 11328), (1888, 11112), (2778, 7552), (2832, 7408), (3704, 5664), (3776, 5556)]