20774635

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 30108672

約数和(自身を除く): 9334037

約数列:

[1, 5, 7, 23, 35, 115, 131, 161, 197, 655, 805, 917, 985, 1379, 3013, 4531, 4585, 6895, 15065, 21091, 22655, 25807, 31717, 105455, 129035, 158585, 180649, 593561, 903245, 2967805, 4154927, 20774635]

約数ペア:

[(1, 20774635), (5, 4154927), (7, 2967805), (23, 903245), (35, 593561), (115, 180649), (131, 158585), (161, 129035), (197, 105455), (655, 31717), (805, 25807), (917, 22655), (985, 21091), (1379, 15065), (3013, 6895), (4531, 4585)]