20277145

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25189}}^1$

素因数の和:25224

約数の個数: 16

約数和(自身を含む): 29018880

約数和(自身を除く): 8741735

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 25189, 125945, 176323, 579347, 881615, 2896735, 4055429, 20277145]

約数ペア:

[(1, 20277145), (5, 4055429), (7, 2896735), (23, 881615), (35, 579347), (115, 176323), (161, 125945), (805, 25189)]