20155492900

素因数分解:

$2^2\times 5^2\times {\mathrm{10211}}^1\times {\mathrm{19739}}^1$

素因数の和:29964

約数の個数: 36

約数和(自身を含む): 43743918960

約数和(自身を除く): 23588426060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 10211, 19739, 20422, 39478, 40844, 51055, 78956, 98695, 102110, 197390, 204220, 255275, 394780, 493475, 510550, 986950, 1021100, 1973900, 201554929, 403109858, 806219716, 1007774645, 2015549290, 4031098580, 5038873225, 10077746450, 20155492900]

約数ペア:

[(1, 20155492900), (2, 10077746450), (4, 5038873225), (5, 4031098580), (10, 2015549290), (20, 1007774645), (25, 806219716), (50, 403109858), (100, 201554929), (10211, 1973900), (19739, 1021100), (20422, 986950), (39478, 510550), (40844, 493475), (51055, 394780), (78956, 255275), (98695, 204220), (102110, 197390)]