20177697421

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1\times {\mathrm{155317}}^1$

素因数の和:155668

約数の個数: 16

約数和(自身を含む): 23489051776

約数和(自身を除く): 3311354355

約数列:

[1, 7, 67, 277, 469, 1939, 18559, 129913, 155317, 1087219, 10406239, 43022809, 72843673, 301159663, 2882528203, 20177697421]

約数ペア:

[(1, 20177697421), (7, 2882528203), (67, 301159663), (277, 72843673), (469, 43022809), (1939, 10406239), (18559, 1087219), (129913, 155317)]