20808886345

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{2713}}^1$

素因数の和:3086

約数の個数: 48

約数和(自身を含む): 28071336240

約数和(自身を除く): 7262449895

約数列:

[1, 5, 13, 29, 65, 145, 169, 313, 377, 845, 1565, 1885, 2713, 4069, 4901, 9077, 13565, 20345, 24505, 35269, 45385, 52897, 78677, 118001, 176345, 264485, 393385, 458497, 590005, 849169, 1022801, 1534013, 2292485, 4245845, 5114005, 7670065, 11039197, 13296413, 24625901, 55195985, 66482065, 123129505, 143509561, 320136713, 717547805, 1600683565, 4161777269, 20808886345]

約数ペア:

[(1, 20808886345), (5, 4161777269), (13, 1600683565), (29, 717547805), (65, 320136713), (145, 143509561), (169, 123129505), (313, 66482065), (377, 55195985), (845, 24625901), (1565, 13296413), (1885, 11039197), (2713, 7670065), (4069, 5114005), (4901, 4245845), (9077, 2292485), (13565, 1534013), (20345, 1022801), (24505, 849169), (35269, 590005), (45385, 458497), (52897, 393385), (78677, 264485), (118001, 176345)]