20938752

素因数分解:

$2^{15}\times 3^2\times {\mathrm{71}}^1$

素因数の和:107

約数の個数: 96

約数和(自身を含む): 61340760

約数和(自身を除く): 40402008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 71, 72, 96, 128, 142, 144, 192, 213, 256, 284, 288, 384, 426, 512, 568, 576, 639, 768, 852, 1024, 1136, 1152, 1278, 1536, 1704, 2048, 2272, 2304, 2556, 3072, 3408, 4096, 4544, 4608, 5112, 6144, 6816, 8192, 9088, 9216, 10224, 12288, 13632, 16384, 18176, 18432, 20448, 24576, 27264, 32768, 36352, 36864, 40896, 49152, 54528, 72704, 73728, 81792, 98304, 109056, 145408, 147456, 163584, 218112, 290816, 294912, 327168, 436224, 581632, 654336, 872448, 1163264, 1308672, 1744896, 2326528, 2617344, 3489792, 5234688, 6979584, 10469376, 20938752]

約数ペア:

[(1, 20938752), (2, 10469376), (3, 6979584), (4, 5234688), (6, 3489792), (8, 2617344), (9, 2326528), (12, 1744896), (16, 1308672), (18, 1163264), (24, 872448), (32, 654336), (36, 581632), (48, 436224), (64, 327168), (71, 294912), (72, 290816), (96, 218112), (128, 163584), (142, 147456), (144, 145408), (192, 109056), (213, 98304), (256, 81792), (284, 73728), (288, 72704), (384, 54528), (426, 49152), (512, 40896), (568, 36864), (576, 36352), (639, 32768), (768, 27264), (852, 24576), (1024, 20448), (1136, 18432), (1152, 18176), (1278, 16384), (1536, 13632), (1704, 12288), (2048, 10224), (2272, 9216), (2304, 9088), (2556, 8192), (3072, 6816), (3408, 6144), (4096, 5112), (4544, 4608)]