27720944

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{55889}}^1$

素因数の和:55928

約数の個数: 20

約数和(自身を含む): 55442880

約数和(自身を除く): 27721936

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 55889, 111778, 223556, 447112, 894224, 1732559, 3465118, 6930236, 13860472, 27720944]

約数ペア:

[(1, 27720944), (2, 13860472), (4, 6930236), (8, 3465118), (16, 1732559), (31, 894224), (62, 447112), (124, 223556), (248, 111778), (496, 55889)]