20194362730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{290441}}^1$

素因数の和:290874

約数の個数: 32

約数和(自身を含む): 38582315280

約数和(自身を除く): 18387952550

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 409, 818, 2045, 4090, 6953, 13906, 34765, 69530, 290441, 580882, 1452205, 2904410, 4937497, 9874994, 24687485, 49374970, 118790369, 237580738, 593951845, 1187903690, 2019436273, 4038872546, 10097181365, 20194362730]

約数ペア:

[(1, 20194362730), (2, 10097181365), (5, 4038872546), (10, 2019436273), (17, 1187903690), (34, 593951845), (85, 237580738), (170, 118790369), (409, 49374970), (818, 24687485), (2045, 9874994), (4090, 4937497), (6953, 2904410), (13906, 1452205), (34765, 580882), (69530, 290441)]