20161461565

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{192463}}^1$

素因数の和:192589

約数の個数: 32

約数和(自身を含む): 28712549376

約数和(自身を除く): 8551087811

約数列:

[1, 5, 7, 35, 41, 73, 205, 287, 365, 511, 1435, 2555, 2993, 14965, 20951, 104755, 192463, 962315, 1347241, 6736205, 7890983, 14049799, 39454915, 55236881, 70248995, 98348593, 276184405, 491742965, 576041759, 2880208795, 4032292313, 20161461565]

約数ペア:

[(1, 20161461565), (5, 4032292313), (7, 2880208795), (35, 576041759), (41, 491742965), (73, 276184405), (205, 98348593), (287, 70248995), (365, 55236881), (511, 39454915), (1435, 14049799), (2555, 7890983), (2993, 6736205), (14965, 1347241), (20951, 962315), (104755, 192463)]