20523537

素因数分解:

$3^6\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:664

約数の個数: 28

約数和(自身を含む): 31478400

約数和(自身を除く): 10954863

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 423, 599, 729, 1269, 1797, 3807, 5391, 11421, 16173, 28153, 34263, 48519, 84459, 145557, 253377, 436671, 760131, 2280393, 6841179, 20523537]

約数ペア:

[(1, 20523537), (3, 6841179), (9, 2280393), (27, 760131), (47, 436671), (81, 253377), (141, 145557), (243, 84459), (423, 48519), (599, 34263), (729, 28153), (1269, 16173), (1797, 11421), (3807, 5391)]