20543463

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{4973}}^1$

素因数の和:5005

約数の個数: 24

約数和(自身を含む): 32589648

約数和(自身を除く): 12046185

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 4973, 14919, 44757, 84541, 134271, 253623, 402813, 760869, 1208439, 2282607, 6847821, 20543463]

約数ペア:

[(1, 20543463), (3, 6847821), (9, 2282607), (17, 1208439), (27, 760869), (51, 402813), (81, 253623), (153, 134271), (243, 84541), (459, 44757), (1377, 14919), (4131, 4973)]