20944816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{77003}}^1$

素因数の和:77028

約数の個数: 20

約数和(自身を含む): 42968232

約数和(自身を除く): 22023416

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 77003, 154006, 308012, 616024, 1232048, 1309051, 2618102, 5236204, 10472408, 20944816]

約数ペア:

[(1, 20944816), (2, 10472408), (4, 5236204), (8, 2618102), (16, 1309051), (17, 1232048), (34, 616024), (68, 308012), (136, 154006), (272, 77003)]