20096055

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 40195584

約数和(自身を除く): 20099529

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 131, 315, 393, 487, 655, 917, 1179, 1461, 1965, 2435, 2751, 3409, 4383, 4585, 5895, 7305, 8253, 10227, 13755, 17045, 21915, 30681, 41265, 51135, 63797, 153405, 191391, 318985, 446579, 574173, 956955, 1339737, 2232895, 2870865, 4019211, 6698685, 20096055]

約数ペア:

[(1, 20096055), (3, 6698685), (5, 4019211), (7, 2870865), (9, 2232895), (15, 1339737), (21, 956955), (35, 574173), (45, 446579), (63, 318985), (105, 191391), (131, 153405), (315, 63797), (393, 51135), (487, 41265), (655, 30681), (917, 21915), (1179, 17045), (1461, 13755), (1965, 10227), (2435, 8253), (2751, 7305), (3409, 5895), (4383, 4585)]