20783888

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41903}}^1$

素因数の和:41942

約数の個数: 20

約数和(自身を含む): 41568768

約数和(自身を除く): 20784880

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 41903, 83806, 167612, 335224, 670448, 1298993, 2597986, 5195972, 10391944, 20783888]

約数ペア:

[(1, 20783888), (2, 10391944), (4, 5195972), (8, 2597986), (16, 1298993), (31, 670448), (62, 335224), (124, 167612), (248, 83806), (496, 41903)]