20284784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97523}}^1$

素因数の和:97544

約数の個数: 20

約数和(自身を含む): 42325416

約数和(自身を除く): 22040632

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97523, 195046, 390092, 780184, 1267799, 1560368, 2535598, 5071196, 10142392, 20284784]

約数ペア:

[(1, 20284784), (2, 10142392), (4, 5071196), (8, 2535598), (13, 1560368), (16, 1267799), (26, 780184), (52, 390092), (104, 195046), (208, 97523)]