20561634

素因数分解:

$2^1\times 3^3\times {\mathrm{503}}^1\times {\mathrm{757}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 45843840

約数和(自身を除く): 25282206

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 503, 757, 1006, 1509, 1514, 2271, 3018, 4527, 4542, 6813, 9054, 13581, 13626, 20439, 27162, 40878, 380771, 761542, 1142313, 2284626, 3426939, 6853878, 10280817, 20561634]

約数ペア:

[(1, 20561634), (2, 10280817), (3, 6853878), (6, 3426939), (9, 2284626), (18, 1142313), (27, 761542), (54, 380771), (503, 40878), (757, 27162), (1006, 20439), (1509, 13626), (1514, 13581), (2271, 9054), (3018, 6813), (4527, 4542)]