20292688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97561}}^1$

素因数の和:97582

約数の個数: 20

約数和(自身を含む): 42341908

約数和(自身を除く): 22049220

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97561, 195122, 390244, 780488, 1268293, 1560976, 2536586, 5073172, 10146344, 20292688]

約数ペア:

[(1, 20292688), (2, 10146344), (4, 5073172), (8, 2536586), (13, 1560976), (16, 1268293), (26, 780488), (52, 390244), (104, 195122), (208, 97561)]