20500452

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 64576512

約数和(自身を除く): 44076060

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 54, 63, 69, 81, 84, 92, 108, 126, 131, 138, 161, 162, 189, 207, 243, 252, 262, 276, 322, 324, 378, 393, 414, 483, 486, 524, 567, 621, 644, 756, 786, 828, 917, 966, 972, 1134, 1179, 1242, 1449, 1572, 1701, 1834, 1863, 1932, 2268, 2358, 2484, 2751, 2898, 3013, 3402, 3537, 3668, 3726, 4347, 4716, 5502, 5589, 5796, 6026, 6804, 7074, 7452, 8253, 8694, 9039, 10611, 11004, 11178, 12052, 13041, 14148, 16506, 17388, 18078, 21091, 21222, 22356, 24759, 26082, 27117, 31833, 33012, 36156, 39123, 42182, 42444, 49518, 52164, 54234, 63273, 63666, 74277, 78246, 81351, 84364, 99036, 108468, 126546, 127332, 148554, 156492, 162702, 189819, 222831, 244053, 253092, 297108, 325404, 379638, 445662, 488106, 569457, 732159, 759276, 891324, 976212, 1138914, 1464318, 1708371, 2277828, 2928636, 3416742, 5125113, 6833484, 10250226, 20500452]

約数ペア:

[(1, 20500452), (2, 10250226), (3, 6833484), (4, 5125113), (6, 3416742), (7, 2928636), (9, 2277828), (12, 1708371), (14, 1464318), (18, 1138914), (21, 976212), (23, 891324), (27, 759276), (28, 732159), (36, 569457), (42, 488106), (46, 445662), (54, 379638), (63, 325404), (69, 297108), (81, 253092), (84, 244053), (92, 222831), (108, 189819), (126, 162702), (131, 156492), (138, 148554), (161, 127332), (162, 126546), (189, 108468), (207, 99036), (243, 84364), (252, 81351), (262, 78246), (276, 74277), (322, 63666), (324, 63273), (378, 54234), (393, 52164), (414, 49518), (483, 42444), (486, 42182), (524, 39123), (567, 36156), (621, 33012), (644, 31833), (756, 27117), (786, 26082), (828, 24759), (917, 22356), (966, 21222), (972, 21091), (1134, 18078), (1179, 17388), (1242, 16506), (1449, 14148), (1572, 13041), (1701, 12052), (1834, 11178), (1863, 11004), (1932, 10611), (2268, 9039), (2358, 8694), (2484, 8253), (2751, 7452), (2898, 7074), (3013, 6804), (3402, 6026), (3537, 5796), (3668, 5589), (3726, 5502), (4347, 4716)]