20297264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97583}}^1$

素因数の和:97604

約数の個数: 20

約数和(自身を含む): 42351456

約数和(自身を除く): 22054192

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97583, 195166, 390332, 780664, 1268579, 1561328, 2537158, 5074316, 10148632, 20297264]

約数ペア:

[(1, 20297264), (2, 10148632), (4, 5074316), (8, 2537158), (13, 1561328), (16, 1268579), (26, 780664), (52, 390332), (104, 195166), (208, 97583)]