20547821434

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1051}}^1\times {\mathrm{1097}}^1$

素因数の和:2243

約数の個数: 64

約数和(自身を含む): 37702333440

約数和(自身を除く): 17154512006

約数列:

[1, 2, 7, 14, 19, 38, 67, 133, 134, 266, 469, 938, 1051, 1097, 1273, 2102, 2194, 2546, 7357, 7679, 8911, 14714, 15358, 17822, 19969, 20843, 39938, 41686, 70417, 73499, 139783, 140834, 145901, 146998, 279566, 291802, 492919, 514493, 985838, 1028986, 1152947, 1337923, 1396481, 2305894, 2675846, 2792962, 8070629, 9365461, 9775367, 16141258, 18730922, 19550734, 21905993, 43811986, 77247449, 153341951, 154494898, 306683902, 540732143, 1081464286, 1467701531, 2935403062, 10273910717, 20547821434]

約数ペア:

[(1, 20547821434), (2, 10273910717), (7, 2935403062), (14, 1467701531), (19, 1081464286), (38, 540732143), (67, 306683902), (133, 154494898), (134, 153341951), (266, 77247449), (469, 43811986), (938, 21905993), (1051, 19550734), (1097, 18730922), (1273, 16141258), (2102, 9775367), (2194, 9365461), (2546, 8070629), (7357, 2792962), (7679, 2675846), (8911, 2305894), (14714, 1396481), (15358, 1337923), (17822, 1152947), (19969, 1028986), (20843, 985838), (39938, 514493), (41686, 492919), (70417, 291802), (73499, 279566), (139783, 146998), (140834, 145901)]