20966088

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 63504000

約数和(自身を除く): 42537912

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 41, 44, 52, 66, 78, 82, 88, 104, 123, 132, 143, 149, 156, 164, 246, 264, 286, 298, 312, 328, 429, 447, 451, 492, 533, 572, 596, 858, 894, 902, 984, 1066, 1144, 1192, 1353, 1599, 1639, 1716, 1788, 1804, 1937, 2132, 2706, 3198, 3278, 3432, 3576, 3608, 3874, 4264, 4917, 5412, 5811, 5863, 6109, 6396, 6556, 7748, 9834, 10824, 11622, 11726, 12218, 12792, 13112, 15496, 17589, 18327, 19668, 21307, 23244, 23452, 24436, 35178, 36654, 39336, 42614, 46488, 46904, 48872, 63921, 67199, 70356, 73308, 79417, 85228, 127842, 134398, 140712, 146616, 158834, 170456, 201597, 238251, 255684, 268796, 317668, 403194, 476502, 511368, 537592, 635336, 806388, 873587, 953004, 1612776, 1747174, 1906008, 2620761, 3494348, 5241522, 6988696, 10483044, 20966088]

約数ペア:

[(1, 20966088), (2, 10483044), (3, 6988696), (4, 5241522), (6, 3494348), (8, 2620761), (11, 1906008), (12, 1747174), (13, 1612776), (22, 953004), (24, 873587), (26, 806388), (33, 635336), (39, 537592), (41, 511368), (44, 476502), (52, 403194), (66, 317668), (78, 268796), (82, 255684), (88, 238251), (104, 201597), (123, 170456), (132, 158834), (143, 146616), (149, 140712), (156, 134398), (164, 127842), (246, 85228), (264, 79417), (286, 73308), (298, 70356), (312, 67199), (328, 63921), (429, 48872), (447, 46904), (451, 46488), (492, 42614), (533, 39336), (572, 36654), (596, 35178), (858, 24436), (894, 23452), (902, 23244), (984, 21307), (1066, 19668), (1144, 18327), (1192, 17589), (1353, 15496), (1599, 13112), (1639, 12792), (1716, 12218), (1788, 11726), (1804, 11622), (1937, 10824), (2132, 9834), (2706, 7748), (3198, 6556), (3278, 6396), (3432, 6109), (3576, 5863), (3608, 5811), (3874, 5412), (4264, 4917)]