20115918

素因数分解:

$2^1\times 3^3\times {\mathrm{151}}^1\times {\mathrm{2467}}^1$

素因数の和:2629

約数の個数: 32

約数和(自身を含む): 45016320

約数和(自身を除く): 24900402

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 151, 302, 453, 906, 1359, 2467, 2718, 4077, 4934, 7401, 8154, 14802, 22203, 44406, 66609, 133218, 372517, 745034, 1117551, 2235102, 3352653, 6705306, 10057959, 20115918]

約数ペア:

[(1, 20115918), (2, 10057959), (3, 6705306), (6, 3352653), (9, 2235102), (18, 1117551), (27, 745034), (54, 372517), (151, 133218), (302, 66609), (453, 44406), (906, 22203), (1359, 14802), (2467, 8154), (2718, 7401), (4077, 4934)]