20754250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7547}}^1$

素因数の和:7575

約数の個数: 32

約数和(自身を含む): 42389568

約数和(自身を除く): 21635318

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 7547, 15094, 37735, 75470, 83017, 166034, 188675, 377350, 415085, 830170, 943375, 1886750, 2075425, 4150850, 10377125, 20754250]

約数ペア:

[(1, 20754250), (2, 10377125), (5, 4150850), (10, 2075425), (11, 1886750), (22, 943375), (25, 830170), (50, 415085), (55, 377350), (110, 188675), (125, 166034), (250, 83017), (275, 75470), (550, 37735), (1375, 15094), (2750, 7547)]