20111686

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{16141}}^1$

素因数の和:16239

約数の個数: 16

約数和(自身を含む): 34866720

約数和(自身を除く): 14755034

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 16141, 32282, 112987, 225974, 1436549, 2873098, 10055843, 20111686]

約数ペア:

[(1, 20111686), (2, 10055843), (7, 2873098), (14, 1436549), (89, 225974), (178, 112987), (623, 32282), (1246, 16141)]