20646444

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 62831328

約数和(自身を除く): 42184884

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 37, 39, 42, 49, 52, 73, 74, 78, 84, 91, 98, 111, 146, 147, 148, 156, 182, 196, 219, 222, 259, 273, 292, 294, 364, 438, 444, 481, 511, 518, 546, 588, 637, 777, 876, 949, 962, 1022, 1036, 1092, 1274, 1443, 1533, 1554, 1813, 1898, 1911, 1924, 2044, 2548, 2701, 2847, 2886, 3066, 3108, 3367, 3577, 3626, 3796, 3822, 5402, 5439, 5694, 5772, 6132, 6643, 6734, 7154, 7252, 7644, 8103, 10101, 10731, 10804, 10878, 11388, 13286, 13468, 14308, 16206, 18907, 19929, 20202, 21462, 21756, 23569, 26572, 32412, 35113, 37814, 39858, 40404, 42924, 46501, 47138, 56721, 70226, 70707, 75628, 79716, 93002, 94276, 105339, 113442, 132349, 139503, 140452, 141414, 186004, 210678, 226884, 245791, 264698, 279006, 282828, 397047, 421356, 491582, 529396, 558012, 737373, 794094, 983164, 1474746, 1588188, 1720537, 2949492, 3441074, 5161611, 6882148, 10323222, 20646444]

約数ペア:

[(1, 20646444), (2, 10323222), (3, 6882148), (4, 5161611), (6, 3441074), (7, 2949492), (12, 1720537), (13, 1588188), (14, 1474746), (21, 983164), (26, 794094), (28, 737373), (37, 558012), (39, 529396), (42, 491582), (49, 421356), (52, 397047), (73, 282828), (74, 279006), (78, 264698), (84, 245791), (91, 226884), (98, 210678), (111, 186004), (146, 141414), (147, 140452), (148, 139503), (156, 132349), (182, 113442), (196, 105339), (219, 94276), (222, 93002), (259, 79716), (273, 75628), (292, 70707), (294, 70226), (364, 56721), (438, 47138), (444, 46501), (481, 42924), (511, 40404), (518, 39858), (546, 37814), (588, 35113), (637, 32412), (777, 26572), (876, 23569), (949, 21756), (962, 21462), (1022, 20202), (1036, 19929), (1092, 18907), (1274, 16206), (1443, 14308), (1533, 13468), (1554, 13286), (1813, 11388), (1898, 10878), (1911, 10804), (1924, 10731), (2044, 10101), (2548, 8103), (2701, 7644), (2847, 7252), (2886, 7154), (3066, 6734), (3108, 6643), (3367, 6132), (3577, 5772), (3626, 5694), (3796, 5439), (3822, 5402)]