20753544

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 63866880

約数和(自身を除く): 43113336

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 41, 42, 46, 56, 69, 82, 84, 92, 123, 131, 138, 161, 164, 168, 184, 246, 262, 276, 287, 322, 328, 393, 483, 492, 524, 552, 574, 644, 786, 861, 917, 943, 966, 984, 1048, 1148, 1288, 1572, 1722, 1834, 1886, 1932, 2296, 2751, 2829, 3013, 3144, 3444, 3668, 3772, 3864, 5371, 5502, 5658, 6026, 6601, 6888, 7336, 7544, 9039, 10742, 11004, 11316, 12052, 13202, 16113, 18078, 19803, 21091, 21484, 22008, 22632, 24104, 26404, 32226, 36156, 37597, 39606, 42182, 42968, 52808, 63273, 64452, 72312, 75194, 79212, 84364, 112791, 123533, 126546, 128904, 150388, 158424, 168728, 225582, 247066, 253092, 300776, 370599, 451164, 494132, 506184, 741198, 864731, 902328, 988264, 1482396, 1729462, 2594193, 2964792, 3458924, 5188386, 6917848, 10376772, 20753544]

約数ペア:

[(1, 20753544), (2, 10376772), (3, 6917848), (4, 5188386), (6, 3458924), (7, 2964792), (8, 2594193), (12, 1729462), (14, 1482396), (21, 988264), (23, 902328), (24, 864731), (28, 741198), (41, 506184), (42, 494132), (46, 451164), (56, 370599), (69, 300776), (82, 253092), (84, 247066), (92, 225582), (123, 168728), (131, 158424), (138, 150388), (161, 128904), (164, 126546), (168, 123533), (184, 112791), (246, 84364), (262, 79212), (276, 75194), (287, 72312), (322, 64452), (328, 63273), (393, 52808), (483, 42968), (492, 42182), (524, 39606), (552, 37597), (574, 36156), (644, 32226), (786, 26404), (861, 24104), (917, 22632), (943, 22008), (966, 21484), (984, 21091), (1048, 19803), (1148, 18078), (1288, 16113), (1572, 13202), (1722, 12052), (1834, 11316), (1886, 11004), (1932, 10742), (2296, 9039), (2751, 7544), (2829, 7336), (3013, 6888), (3144, 6601), (3444, 6026), (3668, 5658), (3772, 5502), (3864, 5371)]