20716850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5381}}^1$

素因数の和:5411

約数の個数: 48

約数和(自身を含む): 48050496

約数和(自身を除く): 27333646

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 5381, 10762, 26905, 37667, 53810, 59191, 75334, 118382, 134525, 188335, 269050, 295955, 376670, 414337, 591910, 828674, 941675, 1479775, 1883350, 2071685, 2959550, 4143370, 10358425, 20716850]

約数ペア:

[(1, 20716850), (2, 10358425), (5, 4143370), (7, 2959550), (10, 2071685), (11, 1883350), (14, 1479775), (22, 941675), (25, 828674), (35, 591910), (50, 414337), (55, 376670), (70, 295955), (77, 269050), (110, 188335), (154, 134525), (175, 118382), (275, 75334), (350, 59191), (385, 53810), (550, 37667), (770, 26905), (1925, 10762), (3850, 5381)]