20120237445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{88427}}^1$

素因数の和:88650

約数の個数: 64

約数和(自身を含む): 40340146176

約数和(自身を除く): 20219908731

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 197, 231, 385, 591, 985, 1155, 1379, 2167, 2955, 4137, 6501, 6895, 10835, 15169, 20685, 32505, 45507, 75845, 88427, 227535, 265281, 442135, 618989, 972697, 1326405, 1856967, 2918091, 3094945, 4863485, 6808879, 9284835, 14590455, 17420119, 20426637, 34044395, 52260357, 87100595, 102133185, 121940833, 191621309, 261301785, 365822499, 574863927, 609704165, 958106545, 1341349163, 1829112495, 2874319635, 4024047489, 6706745815, 20120237445]

約数ペア:

[(1, 20120237445), (3, 6706745815), (5, 4024047489), (7, 2874319635), (11, 1829112495), (15, 1341349163), (21, 958106545), (33, 609704165), (35, 574863927), (55, 365822499), (77, 261301785), (105, 191621309), (165, 121940833), (197, 102133185), (231, 87100595), (385, 52260357), (591, 34044395), (985, 20426637), (1155, 17420119), (1379, 14590455), (2167, 9284835), (2955, 6808879), (4137, 4863485), (6501, 3094945), (6895, 2918091), (10835, 1856967), (15169, 1326405), (20685, 972697), (32505, 618989), (45507, 442135), (75845, 265281), (88427, 227535)]