20155143340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1905023}}^1$

素因数の和:1905078

約数の個数: 36

約数和(自身を含む): 44246087424

約数和(自身を除く): 24090944084

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 2116, 2645, 5290, 10580, 1905023, 3810046, 7620092, 9525115, 19050230, 38100460, 43815529, 87631058, 175262116, 219077645, 438155290, 876310580, 1007757167, 2015514334, 4031028668, 5038785835, 10077571670, 20155143340]

約数ペア:

[(1, 20155143340), (2, 10077571670), (4, 5038785835), (5, 4031028668), (10, 2015514334), (20, 1007757167), (23, 876310580), (46, 438155290), (92, 219077645), (115, 175262116), (230, 87631058), (460, 43815529), (529, 38100460), (1058, 19050230), (2116, 9525115), (2645, 7620092), (5290, 3810046), (10580, 1905023)]