20565180076

素因数分解:

$2^2\times 7^1\times {\mathrm{2819}}^1\times {\mathrm{260543}}^1$

素因数の和:263373

約数の個数: 24

約数和(自身を含む): 41145108480

約数和(自身を除く): 20579928404

約数列:

[1, 2, 4, 7, 14, 28, 2819, 5638, 11276, 19733, 39466, 78932, 260543, 521086, 1042172, 1823801, 3647602, 7295204, 734470717, 1468941434, 2937882868, 5141295019, 10282590038, 20565180076]

約数ペア:

[(1, 20565180076), (2, 10282590038), (4, 5141295019), (7, 2937882868), (14, 1468941434), (28, 734470717), (2819, 7295204), (5638, 3647602), (11276, 1823801), (19733, 1042172), (39466, 521086), (78932, 260543)]