20584564

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 49787136

約数和(自身を除く): 29202572

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 53, 77, 91, 97, 106, 143, 154, 182, 194, 212, 286, 308, 364, 371, 388, 572, 583, 679, 689, 742, 1001, 1067, 1166, 1261, 1358, 1378, 1484, 2002, 2134, 2332, 2522, 2716, 2756, 4004, 4081, 4268, 4823, 5044, 5141, 7469, 7579, 8162, 8827, 9646, 10282, 13871, 14938, 15158, 16324, 17654, 19292, 20564, 27742, 29876, 30316, 35308, 35987, 53053, 55484, 56551, 66833, 71974, 97097, 106106, 113102, 133666, 143948, 194194, 212212, 226204, 267332, 388388, 395857, 467831, 735163, 791714, 935662, 1470326, 1583428, 1871324, 2940652, 5146141, 10292282, 20584564]

約数ペア:

[(1, 20584564), (2, 10292282), (4, 5146141), (7, 2940652), (11, 1871324), (13, 1583428), (14, 1470326), (22, 935662), (26, 791714), (28, 735163), (44, 467831), (52, 395857), (53, 388388), (77, 267332), (91, 226204), (97, 212212), (106, 194194), (143, 143948), (154, 133666), (182, 113102), (194, 106106), (212, 97097), (286, 71974), (308, 66833), (364, 56551), (371, 55484), (388, 53053), (572, 35987), (583, 35308), (679, 30316), (689, 29876), (742, 27742), (1001, 20564), (1067, 19292), (1166, 17654), (1261, 16324), (1358, 15158), (1378, 14938), (1484, 13871), (2002, 10282), (2134, 9646), (2332, 8827), (2522, 8162), (2716, 7579), (2756, 7469), (4004, 5141), (4081, 5044), (4268, 4823)]