20156480

素因数分解:

$2^6\times 5^1\times {\mathrm{62989}}^1$

素因数の和:63006

約数の個数: 28

約数和(自身を含む): 47998380

約数和(自身を除く): 27841900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 62989, 125978, 251956, 314945, 503912, 629890, 1007824, 1259780, 2015648, 2519560, 4031296, 5039120, 10078240, 20156480]

約数ペア:

[(1, 20156480), (2, 10078240), (4, 5039120), (5, 4031296), (8, 2519560), (10, 2015648), (16, 1259780), (20, 1007824), (32, 629890), (40, 503912), (64, 314945), (80, 251956), (160, 125978), (320, 62989)]