20953728

素因数分解:

$2^7\times 3^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:116

約数の個数: 160

約数和(自身を含む): 65165760

約数和(自身を除く): 44212032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 47, 48, 54, 64, 72, 81, 86, 94, 96, 108, 128, 129, 141, 144, 162, 172, 188, 192, 216, 258, 282, 288, 324, 344, 376, 384, 387, 423, 432, 516, 564, 576, 648, 688, 752, 774, 846, 864, 1032, 1128, 1152, 1161, 1269, 1296, 1376, 1504, 1548, 1692, 1728, 2021, 2064, 2256, 2322, 2538, 2592, 2752, 3008, 3096, 3384, 3456, 3483, 3807, 4042, 4128, 4512, 4644, 5076, 5184, 5504, 6016, 6063, 6192, 6768, 6966, 7614, 8084, 8256, 9024, 9288, 10152, 10368, 12126, 12384, 13536, 13932, 15228, 16168, 16512, 18048, 18189, 18576, 20304, 24252, 24768, 27072, 27864, 30456, 32336, 36378, 37152, 40608, 48504, 49536, 54144, 54567, 55728, 60912, 64672, 72756, 74304, 81216, 97008, 109134, 111456, 121824, 129344, 145512, 148608, 162432, 163701, 194016, 218268, 222912, 243648, 258688, 291024, 327402, 388032, 436536, 445824, 487296, 582048, 654804, 776064, 873072, 1164096, 1309608, 1746144, 2328192, 2619216, 3492288, 5238432, 6984576, 10476864, 20953728]

約数ペア:

[(1, 20953728), (2, 10476864), (3, 6984576), (4, 5238432), (6, 3492288), (8, 2619216), (9, 2328192), (12, 1746144), (16, 1309608), (18, 1164096), (24, 873072), (27, 776064), (32, 654804), (36, 582048), (43, 487296), (47, 445824), (48, 436536), (54, 388032), (64, 327402), (72, 291024), (81, 258688), (86, 243648), (94, 222912), (96, 218268), (108, 194016), (128, 163701), (129, 162432), (141, 148608), (144, 145512), (162, 129344), (172, 121824), (188, 111456), (192, 109134), (216, 97008), (258, 81216), (282, 74304), (288, 72756), (324, 64672), (344, 60912), (376, 55728), (384, 54567), (387, 54144), (423, 49536), (432, 48504), (516, 40608), (564, 37152), (576, 36378), (648, 32336), (688, 30456), (752, 27864), (774, 27072), (846, 24768), (864, 24252), (1032, 20304), (1128, 18576), (1152, 18189), (1161, 18048), (1269, 16512), (1296, 16168), (1376, 15228), (1504, 13932), (1548, 13536), (1692, 12384), (1728, 12126), (2021, 10368), (2064, 10152), (2256, 9288), (2322, 9024), (2538, 8256), (2592, 8084), (2752, 7614), (3008, 6966), (3096, 6768), (3384, 6192), (3456, 6063), (3483, 6016), (3807, 5504), (4042, 5184), (4128, 5076), (4512, 4644)]