20672489712

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{312311}}^1$

素因数の和:312526

約数の個数: 80

約数和(自身を含む): 61343073792

約数和(自身を除く): 40670584080

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 197, 336, 394, 591, 788, 1182, 1379, 1576, 2364, 2758, 3152, 4137, 4728, 5516, 8274, 9456, 11032, 16548, 22064, 33096, 66192, 312311, 624622, 936933, 1249244, 1873866, 2186177, 2498488, 3747732, 4372354, 4996976, 6558531, 7495464, 8744708, 13117062, 14990928, 17489416, 26234124, 34978832, 52468248, 61525267, 104936496, 123050534, 184575801, 246101068, 369151602, 430676869, 492202136, 738303204, 861353738, 984404272, 1292030607, 1476606408, 1722707476, 2584061214, 2953212816, 3445414952, 5168122428, 6890829904, 10336244856, 20672489712]

約数ペア:

[(1, 20672489712), (2, 10336244856), (3, 6890829904), (4, 5168122428), (6, 3445414952), (7, 2953212816), (8, 2584061214), (12, 1722707476), (14, 1476606408), (16, 1292030607), (21, 984404272), (24, 861353738), (28, 738303204), (42, 492202136), (48, 430676869), (56, 369151602), (84, 246101068), (112, 184575801), (168, 123050534), (197, 104936496), (336, 61525267), (394, 52468248), (591, 34978832), (788, 26234124), (1182, 17489416), (1379, 14990928), (1576, 13117062), (2364, 8744708), (2758, 7495464), (3152, 6558531), (4137, 4996976), (4728, 4372354), (5516, 3747732), (8274, 2498488), (9456, 2186177), (11032, 1873866), (16548, 1249244), (22064, 936933), (33096, 624622), (66192, 312311)]