20668565555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 30161424384

約数和(自身を除く): 9492858829

約数列:

[1, 5, 11, 23, 41, 53, 55, 73, 103, 115, 205, 253, 265, 365, 451, 515, 583, 803, 943, 1133, 1219, 1265, 1679, 2173, 2255, 2369, 2915, 2993, 3869, 4015, 4223, 4715, 5459, 5665, 6095, 7519, 8395, 10373, 10865, 11845, 13409, 14965, 18469, 19345, 21115, 23903, 26059, 27295, 32923, 37595, 42559, 46453, 49979, 51865, 60049, 67045, 68839, 82709, 88987, 92345, 97129, 119515, 125557, 130295, 158629, 164615, 172937, 212795, 223819, 232265, 249895, 300245, 308279, 344195, 398507, 413545, 444935, 485645, 549769, 627785, 757229, 793145, 864685, 978857, 1068419, 1119095, 1381127, 1541395, 1744919, 1902307, 1992535, 2462009, 2748845, 3391069, 3648467, 3786145, 4383577, 4894285, 5147837, 5342095, 6905635, 7090417, 8724595, 9165661, 9511535, 12310045, 16338787, 16955345, 18242335, 21917885, 25739185, 35452085, 40133137, 45828305, 56626207, 77994587, 81693935, 100822271, 179726657, 200665685, 283131035, 375792101, 389972935, 504111355, 898633285, 1878960505, 4133713111, 20668565555]

約数ペア:

[(1, 20668565555), (5, 4133713111), (11, 1878960505), (23, 898633285), (41, 504111355), (53, 389972935), (55, 375792101), (73, 283131035), (103, 200665685), (115, 179726657), (205, 100822271), (253, 81693935), (265, 77994587), (365, 56626207), (451, 45828305), (515, 40133137), (583, 35452085), (803, 25739185), (943, 21917885), (1133, 18242335), (1219, 16955345), (1265, 16338787), (1679, 12310045), (2173, 9511535), (2255, 9165661), (2369, 8724595), (2915, 7090417), (2993, 6905635), (3869, 5342095), (4015, 5147837), (4223, 4894285), (4715, 4383577), (5459, 3786145), (5665, 3648467), (6095, 3391069), (7519, 2748845), (8395, 2462009), (10373, 1992535), (10865, 1902307), (11845, 1744919), (13409, 1541395), (14965, 1381127), (18469, 1119095), (19345, 1068419), (21115, 978857), (23903, 864685), (26059, 793145), (27295, 757229), (32923, 627785), (37595, 549769), (42559, 485645), (46453, 444935), (49979, 413545), (51865, 398507), (60049, 344195), (67045, 308279), (68839, 300245), (82709, 249895), (88987, 232265), (92345, 223819), (97129, 212795), (119515, 172937), (125557, 164615), (130295, 158629)]