204832420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{787817}}^1$

素因数の和:787839

約数の個数: 24

約数和(自身を含む): 463236984

約数和(自身を除く): 258404564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 787817, 1575634, 3151268, 3939085, 7878170, 10241621, 15756340, 20483242, 40966484, 51208105, 102416210, 204832420]

約数ペア:

[(1, 204832420), (2, 102416210), (4, 51208105), (5, 40966484), (10, 20483242), (13, 15756340), (20, 10241621), (26, 7878170), (52, 3939085), (65, 3151268), (130, 1575634), (260, 787817)]