20243439

素因数分解:

$3^4\times {\mathrm{491}}^1\times {\mathrm{509}}^1$

素因数の和:1012

約数の個数: 20

約数和(自身を含む): 30361320

約数和(自身を除く): 10117881

約数列:

[1, 3, 9, 27, 81, 491, 509, 1473, 1527, 4419, 4581, 13257, 13743, 39771, 41229, 249919, 749757, 2249271, 6747813, 20243439]

約数ペア:

[(1, 20243439), (3, 6747813), (9, 2249271), (27, 749757), (81, 249919), (491, 41229), (509, 39771), (1473, 13743), (1527, 13257), (4419, 4581)]