20289112

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{133481}}^1$

素因数の和:133506

約数の個数: 16

約数和(自身を含む): 40044600

約数和(自身を除く): 19755488

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 133481, 266962, 533924, 1067848, 2536139, 5072278, 10144556, 20289112]

約数ペア:

[(1, 20289112), (2, 10144556), (4, 5072278), (8, 2536139), (19, 1067848), (38, 533924), (76, 266962), (152, 133481)]