20328874848

素因数分解:

$2^5\times 3^2\times {\mathrm{439}}^1\times {\mathrm{160789}}^1$

素因数の和:161244

約数の個数: 72

約数和(自身を含む): 57942284400

約数和(自身を除く): 37613409552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 439, 878, 1317, 1756, 2634, 3512, 3951, 5268, 7024, 7902, 10536, 14048, 15804, 21072, 31608, 42144, 63216, 126432, 160789, 321578, 482367, 643156, 964734, 1286312, 1447101, 1929468, 2572624, 2894202, 3858936, 5145248, 5788404, 7717872, 11576808, 15435744, 23153616, 46307232, 70586371, 141172742, 211759113, 282345484, 423518226, 564690968, 635277339, 847036452, 1129381936, 1270554678, 1694072904, 2258763872, 2541109356, 3388145808, 5082218712, 6776291616, 10164437424, 20328874848]

約数ペア:

[(1, 20328874848), (2, 10164437424), (3, 6776291616), (4, 5082218712), (6, 3388145808), (8, 2541109356), (9, 2258763872), (12, 1694072904), (16, 1270554678), (18, 1129381936), (24, 847036452), (32, 635277339), (36, 564690968), (48, 423518226), (72, 282345484), (96, 211759113), (144, 141172742), (288, 70586371), (439, 46307232), (878, 23153616), (1317, 15435744), (1756, 11576808), (2634, 7717872), (3512, 5788404), (3951, 5145248), (5268, 3858936), (7024, 2894202), (7902, 2572624), (10536, 1929468), (14048, 1447101), (15804, 1286312), (21072, 964734), (31608, 643156), (42144, 482367), (63216, 321578), (126432, 160789)]