20401471995

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{36759409}}^1$

素因数の和:36759454

約数の個数: 16

約数和(自身を含む): 33524581920

約数和(自身を除く): 13123109925

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 36759409, 110278227, 183797045, 551391135, 1360098133, 4080294399, 6800490665, 20401471995]

約数ペア:

[(1, 20401471995), (3, 6800490665), (5, 4080294399), (15, 1360098133), (37, 551391135), (111, 183797045), (185, 110278227), (555, 36759409)]