20089563

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 30897216

約数和(自身を除く): 10807653

約数列:

[1, 3, 13, 17, 39, 51, 157, 193, 221, 471, 579, 663, 2041, 2509, 2669, 3281, 6123, 7527, 8007, 9843, 30301, 34697, 42653, 90903, 104091, 127959, 393913, 515117, 1181739, 1545351, 6696521, 20089563]

約数ペア:

[(1, 20089563), (3, 6696521), (13, 1545351), (17, 1181739), (39, 515117), (51, 393913), (157, 127959), (193, 104091), (221, 90903), (471, 42653), (579, 34697), (663, 30301), (2041, 9843), (2509, 8007), (2669, 7527), (3281, 6123)]