20570004

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1$

素因数の和:76

約数の個数: 216

約数和(自身を含む): 70096320

約数和(自身を除く): 49526316

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 23, 26, 27, 28, 36, 39, 42, 46, 49, 52, 54, 63, 69, 78, 84, 91, 92, 98, 108, 117, 126, 138, 147, 156, 161, 169, 182, 189, 196, 207, 234, 252, 273, 276, 294, 299, 322, 338, 351, 364, 378, 414, 441, 468, 483, 507, 546, 588, 598, 621, 637, 644, 676, 702, 756, 819, 828, 882, 897, 966, 1014, 1092, 1127, 1183, 1196, 1242, 1274, 1323, 1404, 1449, 1521, 1638, 1764, 1794, 1911, 1932, 2028, 2093, 2254, 2366, 2457, 2484, 2548, 2646, 2691, 2898, 3042, 3276, 3381, 3549, 3588, 3822, 3887, 4186, 4347, 4508, 4563, 4732, 4914, 5292, 5382, 5733, 5796, 6084, 6279, 6762, 7098, 7644, 7774, 8073, 8281, 8372, 8694, 9126, 9828, 10143, 10647, 10764, 11466, 11661, 12558, 13524, 14196, 14651, 15548, 16146, 16562, 17199, 17388, 18252, 18837, 20286, 21294, 22932, 23322, 24843, 25116, 27209, 29302, 30429, 31941, 32292, 33124, 34398, 34983, 37674, 40572, 42588, 43953, 46644, 49686, 54418, 56511, 58604, 60858, 63882, 68796, 69966, 74529, 75348, 81627, 87906, 99372, 104949, 108836, 113022, 121716, 127764, 131859, 139932, 149058, 163254, 175812, 190463, 209898, 223587, 226044, 244881, 263718, 298116, 326508, 380926, 395577, 419796, 447174, 489762, 527436, 571389, 734643, 761852, 791154, 894348, 979524, 1142778, 1469286, 1582308, 1714167, 2285556, 2938572, 3428334, 5142501, 6856668, 10285002, 20570004]

約数ペア:

[(1, 20570004), (2, 10285002), (3, 6856668), (4, 5142501), (6, 3428334), (7, 2938572), (9, 2285556), (12, 1714167), (13, 1582308), (14, 1469286), (18, 1142778), (21, 979524), (23, 894348), (26, 791154), (27, 761852), (28, 734643), (36, 571389), (39, 527436), (42, 489762), (46, 447174), (49, 419796), (52, 395577), (54, 380926), (63, 326508), (69, 298116), (78, 263718), (84, 244881), (91, 226044), (92, 223587), (98, 209898), (108, 190463), (117, 175812), (126, 163254), (138, 149058), (147, 139932), (156, 131859), (161, 127764), (169, 121716), (182, 113022), (189, 108836), (196, 104949), (207, 99372), (234, 87906), (252, 81627), (273, 75348), (276, 74529), (294, 69966), (299, 68796), (322, 63882), (338, 60858), (351, 58604), (364, 56511), (378, 54418), (414, 49686), (441, 46644), (468, 43953), (483, 42588), (507, 40572), (546, 37674), (588, 34983), (598, 34398), (621, 33124), (637, 32292), (644, 31941), (676, 30429), (702, 29302), (756, 27209), (819, 25116), (828, 24843), (882, 23322), (897, 22932), (966, 21294), (1014, 20286), (1092, 18837), (1127, 18252), (1183, 17388), (1196, 17199), (1242, 16562), (1274, 16146), (1323, 15548), (1404, 14651), (1449, 14196), (1521, 13524), (1638, 12558), (1764, 11661), (1794, 11466), (1911, 10764), (1932, 10647), (2028, 10143), (2093, 9828), (2254, 9126), (2366, 8694), (2457, 8372), (2484, 8281), (2548, 8073), (2646, 7774), (2691, 7644), (2898, 7098), (3042, 6762), (3276, 6279), (3381, 6084), (3549, 5796), (3588, 5733), (3822, 5382), (3887, 5292), (4186, 4914), (4347, 4732), (4508, 4563)]