20386548

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 65228800

約数和(自身を除く): 44842252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 127, 147, 156, 182, 196, 234, 252, 254, 273, 294, 343, 364, 381, 441, 468, 508, 546, 588, 637, 686, 762, 819, 882, 889, 1029, 1092, 1143, 1274, 1372, 1524, 1638, 1651, 1764, 1778, 1911, 2058, 2286, 2548, 2667, 3087, 3276, 3302, 3556, 3822, 4116, 4459, 4572, 4953, 5334, 5733, 6174, 6223, 6604, 7644, 8001, 8918, 9906, 10668, 11466, 11557, 12348, 12446, 13377, 14859, 16002, 17836, 18669, 19812, 22932, 23114, 24892, 26754, 29718, 32004, 34671, 37338, 40131, 43561, 46228, 53508, 56007, 59436, 69342, 74676, 80262, 80899, 87122, 104013, 112014, 130683, 138684, 160524, 161798, 174244, 208026, 224028, 242697, 261366, 323596, 392049, 416052, 485394, 522732, 566293, 728091, 784098, 970788, 1132586, 1456182, 1568196, 1698879, 2265172, 2912364, 3397758, 5096637, 6795516, 10193274, 20386548]

約数ペア:

[(1, 20386548), (2, 10193274), (3, 6795516), (4, 5096637), (6, 3397758), (7, 2912364), (9, 2265172), (12, 1698879), (13, 1568196), (14, 1456182), (18, 1132586), (21, 970788), (26, 784098), (28, 728091), (36, 566293), (39, 522732), (42, 485394), (49, 416052), (52, 392049), (63, 323596), (78, 261366), (84, 242697), (91, 224028), (98, 208026), (117, 174244), (126, 161798), (127, 160524), (147, 138684), (156, 130683), (182, 112014), (196, 104013), (234, 87122), (252, 80899), (254, 80262), (273, 74676), (294, 69342), (343, 59436), (364, 56007), (381, 53508), (441, 46228), (468, 43561), (508, 40131), (546, 37338), (588, 34671), (637, 32004), (686, 29718), (762, 26754), (819, 24892), (882, 23114), (889, 22932), (1029, 19812), (1092, 18669), (1143, 17836), (1274, 16002), (1372, 14859), (1524, 13377), (1638, 12446), (1651, 12348), (1764, 11557), (1778, 11466), (1911, 10668), (2058, 9906), (2286, 8918), (2548, 8001), (2667, 7644), (3087, 6604), (3276, 6223), (3302, 6174), (3556, 5733), (3822, 5334), (4116, 4953), (4459, 4572)]