20783125887

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1\times {\mathrm{7723}}^1$

素因数の和:8699

約数の個数: 32

約数和(自身を含む): 29624567808

約数和(自身を除く): 8841441921

約数列:

[1, 3, 23, 43, 69, 129, 907, 989, 2721, 2967, 7723, 20861, 23169, 39001, 62583, 117003, 177629, 332089, 532887, 897023, 996267, 2691069, 7004761, 7638047, 21014283, 22914141, 161109503, 301204723, 483328509, 903614169, 6927708629, 20783125887]

約数ペア:

[(1, 20783125887), (3, 6927708629), (23, 903614169), (43, 483328509), (69, 301204723), (129, 161109503), (907, 22914141), (989, 21014283), (2721, 7638047), (2967, 7004761), (7723, 2691069), (20861, 996267), (23169, 897023), (39001, 532887), (62583, 332089), (117003, 177629)]