20149744

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{15173}}^1$

素因数の和:15264

約数の個数: 20

約数和(自身を含む): 39513096

約数和(自身を除く): 19363352

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 15173, 30346, 60692, 121384, 242768, 1259359, 2518718, 5037436, 10074872, 20149744]

約数ペア:

[(1, 20149744), (2, 10074872), (4, 5037436), (8, 2518718), (16, 1259359), (83, 242768), (166, 121384), (332, 60692), (664, 30346), (1328, 15173)]