20787078172

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2131}}^1\times {\mathrm{3083}}^1$

素因数の和:5338

約数の個数: 48

約数和(自身を含む): 41975361792

約数和(自身を除く): 21188283620

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 2131, 3083, 3164, 4262, 6166, 8524, 12332, 14917, 21581, 29834, 43162, 59668, 86324, 240803, 348379, 481606, 696758, 963212, 1393516, 1685621, 2438653, 3371242, 4877306, 6569873, 6742484, 9754612, 13139746, 26279492, 45989111, 91978222, 183956444, 742395649, 1484791298, 2969582596, 5196769543, 10393539086, 20787078172]

約数ペア:

[(1, 20787078172), (2, 10393539086), (4, 5196769543), (7, 2969582596), (14, 1484791298), (28, 742395649), (113, 183956444), (226, 91978222), (452, 45989111), (791, 26279492), (1582, 13139746), (2131, 9754612), (3083, 6742484), (3164, 6569873), (4262, 4877306), (6166, 3371242), (8524, 2438653), (12332, 1685621), (14917, 1393516), (21581, 963212), (29834, 696758), (43162, 481606), (59668, 348379), (86324, 240803)]