20899584

素因数分解:

$2^8\times 3^2\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:262

約数の個数: 108

約数和(自身を含む): 61859616

約数和(自身を除く): 40960032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 64, 72, 94, 96, 128, 141, 144, 188, 192, 193, 256, 282, 288, 376, 384, 386, 423, 564, 576, 579, 752, 768, 772, 846, 1128, 1152, 1158, 1504, 1544, 1692, 1737, 2256, 2304, 2316, 3008, 3088, 3384, 3474, 4512, 4632, 6016, 6176, 6768, 6948, 9024, 9071, 9264, 12032, 12352, 13536, 13896, 18048, 18142, 18528, 24704, 27072, 27213, 27792, 36096, 36284, 37056, 49408, 54144, 54426, 55584, 72568, 74112, 81639, 108288, 108852, 111168, 145136, 148224, 163278, 217704, 222336, 290272, 326556, 435408, 444672, 580544, 653112, 870816, 1161088, 1306224, 1741632, 2322176, 2612448, 3483264, 5224896, 6966528, 10449792, 20899584]

約数ペア:

[(1, 20899584), (2, 10449792), (3, 6966528), (4, 5224896), (6, 3483264), (8, 2612448), (9, 2322176), (12, 1741632), (16, 1306224), (18, 1161088), (24, 870816), (32, 653112), (36, 580544), (47, 444672), (48, 435408), (64, 326556), (72, 290272), (94, 222336), (96, 217704), (128, 163278), (141, 148224), (144, 145136), (188, 111168), (192, 108852), (193, 108288), (256, 81639), (282, 74112), (288, 72568), (376, 55584), (384, 54426), (386, 54144), (423, 49408), (564, 37056), (576, 36284), (579, 36096), (752, 27792), (768, 27213), (772, 27072), (846, 24704), (1128, 18528), (1152, 18142), (1158, 18048), (1504, 13896), (1544, 13536), (1692, 12352), (1737, 12032), (2256, 9264), (2304, 9071), (2316, 9024), (3008, 6948), (3088, 6768), (3384, 6176), (3474, 6016), (4512, 4632)]