20807869155

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1\times {\mathrm{467}}^1$

素因数の和:956

約数の個数: 64

約数和(自身を含む): 34131621888

約数和(自身を除く): 13323752733

約数列:

[1, 3, 5, 15, 97, 113, 271, 291, 339, 467, 485, 565, 813, 1355, 1401, 1455, 1695, 2335, 4065, 7005, 10961, 26287, 30623, 32883, 45299, 52771, 54805, 78861, 91869, 126557, 131435, 135897, 153115, 158313, 164415, 226495, 263855, 379671, 394305, 459345, 632785, 679485, 791565, 1898355, 2970431, 5118787, 8911293, 12276029, 14300941, 14852155, 15356361, 25593935, 36828087, 42902823, 44556465, 61380145, 71504705, 76781805, 184140435, 214514115, 1387191277, 4161573831, 6935956385, 20807869155]

約数ペア:

[(1, 20807869155), (3, 6935956385), (5, 4161573831), (15, 1387191277), (97, 214514115), (113, 184140435), (271, 76781805), (291, 71504705), (339, 61380145), (467, 44556465), (485, 42902823), (565, 36828087), (813, 25593935), (1355, 15356361), (1401, 14852155), (1455, 14300941), (1695, 12276029), (2335, 8911293), (4065, 5118787), (7005, 2970431), (10961, 1898355), (26287, 791565), (30623, 679485), (32883, 632785), (45299, 459345), (52771, 394305), (54805, 379671), (78861, 263855), (91869, 226495), (126557, 164415), (131435, 158313), (135897, 153115)]