20171082015

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{1097}}^1$

素因数の和:1422

約数の個数: 144

約数和(自身を含む): 42177957120

約数和(自身を除く): 22006875105

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 49, 63, 93, 105, 147, 155, 217, 245, 269, 279, 315, 441, 465, 651, 735, 807, 1085, 1097, 1345, 1395, 1519, 1883, 1953, 2205, 2421, 3255, 3291, 4035, 4557, 5485, 5649, 7595, 7679, 8339, 9415, 9765, 9873, 12105, 13181, 13671, 16455, 16947, 22785, 23037, 25017, 28245, 34007, 38395, 39543, 41695, 49365, 53753, 58373, 65905, 68355, 69111, 75051, 84735, 102021, 115185, 118629, 125085, 161259, 170035, 175119, 197715, 238049, 268765, 291865, 295093, 306063, 345555, 375255, 408611, 483777, 510105, 525357, 593145, 714147, 806295, 875595, 885279, 1190245, 1225833, 1475465, 1530315, 1666343, 2043055, 2065651, 2142441, 2418885, 2626785, 2655837, 3570735, 3677499, 4426395, 4999029, 6129165, 6196953, 8331715, 9147883, 10328255, 10712205, 13279185, 14459557, 14997087, 18387495, 18590859, 24995145, 27443649, 30984765, 43378671, 45739415, 64035181, 72297785, 74985435, 82330947, 92954295, 130136013, 137218245, 192105543, 216893355, 320175905, 411654735, 448246267, 576316629, 650680065, 960527715, 1344738801, 2241231335, 2881583145, 4034216403, 6723694005, 20171082015]

約数ペア:

[(1, 20171082015), (3, 6723694005), (5, 4034216403), (7, 2881583145), (9, 2241231335), (15, 1344738801), (21, 960527715), (31, 650680065), (35, 576316629), (45, 448246267), (49, 411654735), (63, 320175905), (93, 216893355), (105, 192105543), (147, 137218245), (155, 130136013), (217, 92954295), (245, 82330947), (269, 74985435), (279, 72297785), (315, 64035181), (441, 45739415), (465, 43378671), (651, 30984765), (735, 27443649), (807, 24995145), (1085, 18590859), (1097, 18387495), (1345, 14997087), (1395, 14459557), (1519, 13279185), (1883, 10712205), (1953, 10328255), (2205, 9147883), (2421, 8331715), (3255, 6196953), (3291, 6129165), (4035, 4999029), (4557, 4426395), (5485, 3677499), (5649, 3570735), (7595, 2655837), (7679, 2626785), (8339, 2418885), (9415, 2142441), (9765, 2065651), (9873, 2043055), (12105, 1666343), (13181, 1530315), (13671, 1475465), (16455, 1225833), (16947, 1190245), (22785, 885279), (23037, 875595), (25017, 806295), (28245, 714147), (34007, 593145), (38395, 525357), (39543, 510105), (41695, 483777), (49365, 408611), (53753, 375255), (58373, 345555), (65905, 306063), (68355, 295093), (69111, 291865), (75051, 268765), (84735, 238049), (102021, 197715), (115185, 175119), (118629, 170035), (125085, 161259)]