20400736

素因数分解:

$2^5\times {\mathrm{83}}^1\times {\mathrm{7681}}^1$

素因数の和:7774

約数の個数: 24

約数和(自身を含む): 40653144

約数和(自身を除く): 20252408

約数列:

[1, 2, 4, 8, 16, 32, 83, 166, 332, 664, 1328, 2656, 7681, 15362, 30724, 61448, 122896, 245792, 637523, 1275046, 2550092, 5100184, 10200368, 20400736]

約数ペア:

[(1, 20400736), (2, 10200368), (4, 5100184), (8, 2550092), (16, 1275046), (32, 637523), (83, 245792), (166, 122896), (332, 61448), (664, 30724), (1328, 15362), (2656, 7681)]