20674944

素因数分解:

$2^7\times 3^2\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 60386040

約数和(自身を除く): 39711096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 131, 137, 144, 192, 262, 274, 288, 384, 393, 411, 524, 548, 576, 786, 822, 1048, 1096, 1152, 1179, 1233, 1572, 1644, 2096, 2192, 2358, 2466, 3144, 3288, 4192, 4384, 4716, 4932, 6288, 6576, 8384, 8768, 9432, 9864, 12576, 13152, 16768, 17536, 17947, 18864, 19728, 25152, 26304, 35894, 37728, 39456, 50304, 52608, 53841, 71788, 75456, 78912, 107682, 143576, 150912, 157824, 161523, 215364, 287152, 323046, 430728, 574304, 646092, 861456, 1148608, 1292184, 1722912, 2297216, 2584368, 3445824, 5168736, 6891648, 10337472, 20674944]

約数ペア:

[(1, 20674944), (2, 10337472), (3, 6891648), (4, 5168736), (6, 3445824), (8, 2584368), (9, 2297216), (12, 1722912), (16, 1292184), (18, 1148608), (24, 861456), (32, 646092), (36, 574304), (48, 430728), (64, 323046), (72, 287152), (96, 215364), (128, 161523), (131, 157824), (137, 150912), (144, 143576), (192, 107682), (262, 78912), (274, 75456), (288, 71788), (384, 53841), (393, 52608), (411, 50304), (524, 39456), (548, 37728), (576, 35894), (786, 26304), (822, 25152), (1048, 19728), (1096, 18864), (1152, 17947), (1179, 17536), (1233, 16768), (1572, 13152), (1644, 12576), (2096, 9864), (2192, 9432), (2358, 8768), (2466, 8384), (3144, 6576), (3288, 6288), (4192, 4932), (4384, 4716)]