20184395

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 30551040

約数和(自身を除く): 10366645

約数列:

[1, 5, 7, 11, 35, 55, 77, 103, 385, 509, 515, 721, 1133, 2545, 3563, 3605, 5599, 5665, 7931, 17815, 27995, 39193, 39655, 52427, 195965, 262135, 366989, 576697, 1834945, 2883485, 4036879, 20184395]

約数ペア:

[(1, 20184395), (5, 4036879), (7, 2883485), (11, 1834945), (35, 576697), (55, 366989), (77, 262135), (103, 195965), (385, 52427), (509, 39655), (515, 39193), (721, 27995), (1133, 17815), (2545, 7931), (3563, 5665), (3605, 5599)]