20823168

素因数分解:

$2^7\times 3^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 55789920

約数和(自身を除く): 34966752

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 211, 257, 384, 422, 514, 633, 771, 844, 1028, 1266, 1542, 1688, 2056, 2532, 3084, 3376, 4112, 5064, 6168, 6752, 8224, 10128, 12336, 13504, 16448, 20256, 24672, 27008, 32896, 40512, 49344, 54227, 81024, 98688, 108454, 162681, 216908, 325362, 433816, 650724, 867632, 1301448, 1735264, 2602896, 3470528, 5205792, 6941056, 10411584, 20823168]

約数ペア:

[(1, 20823168), (2, 10411584), (3, 6941056), (4, 5205792), (6, 3470528), (8, 2602896), (12, 1735264), (16, 1301448), (24, 867632), (32, 650724), (48, 433816), (64, 325362), (96, 216908), (128, 162681), (192, 108454), (211, 98688), (257, 81024), (384, 54227), (422, 49344), (514, 40512), (633, 32896), (771, 27008), (844, 24672), (1028, 20256), (1266, 16448), (1542, 13504), (1688, 12336), (2056, 10128), (2532, 8224), (3084, 6752), (3376, 6168), (4112, 5064)]