20349040894

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{659}}^1$

素因数の和:1146

約数の個数: 96

約数和(自身を含む): 39144314880

約数和(自身を除く): 18795273986

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 169, 182, 217, 338, 403, 421, 434, 659, 806, 842, 1183, 1318, 2366, 2821, 2947, 4613, 5239, 5473, 5642, 5894, 8567, 9226, 10478, 10946, 13051, 17134, 20429, 26102, 36673, 38311, 40858, 59969, 71149, 73346, 76622, 91357, 111371, 119938, 142298, 143003, 169663, 182714, 222742, 265577, 277439, 286006, 339326, 498043, 531154, 554878, 779597, 996086, 1187641, 1559194, 1859039, 1942073, 2205619, 2375282, 3452501, 3606707, 3718078, 3884146, 4411238, 6905002, 7213414, 8600609, 15439333, 17201218, 24167507, 25246949, 30878666, 46887191, 48335014, 50493898, 60204263, 93774382, 111807917, 120408526, 223615834, 328210337, 656420674, 782655419, 1453502921, 1565310838, 2907005842, 10174520447, 20349040894]

約数ペア:

[(1, 20349040894), (2, 10174520447), (7, 2907005842), (13, 1565310838), (14, 1453502921), (26, 782655419), (31, 656420674), (62, 328210337), (91, 223615834), (169, 120408526), (182, 111807917), (217, 93774382), (338, 60204263), (403, 50493898), (421, 48335014), (434, 46887191), (659, 30878666), (806, 25246949), (842, 24167507), (1183, 17201218), (1318, 15439333), (2366, 8600609), (2821, 7213414), (2947, 6905002), (4613, 4411238), (5239, 3884146), (5473, 3718078), (5642, 3606707), (5894, 3452501), (8567, 2375282), (9226, 2205619), (10478, 1942073), (10946, 1859039), (13051, 1559194), (17134, 1187641), (20429, 996086), (26102, 779597), (36673, 554878), (38311, 531154), (40858, 498043), (59969, 339326), (71149, 286006), (73346, 277439), (76622, 265577), (91357, 222742), (111371, 182714), (119938, 169663), (142298, 143003)]