20154673

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 27060480

約数和(自身を除く): 6905807

約数列:

[1, 7, 11, 17, 77, 89, 119, 173, 187, 623, 979, 1211, 1309, 1513, 1903, 2941, 6853, 10591, 13321, 15397, 16643, 20587, 32351, 107779, 116501, 169367, 226457, 261749, 1185569, 1832243, 2879239, 20154673]

約数ペア:

[(1, 20154673), (7, 2879239), (11, 1832243), (17, 1185569), (77, 261749), (89, 226457), (119, 169367), (173, 116501), (187, 107779), (623, 32351), (979, 20587), (1211, 16643), (1309, 15397), (1513, 13321), (1903, 10591), (2941, 6853)]