20823568

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41983}}^1$

素因数の和:42022

約数の個数: 20

約数和(自身を含む): 41648128

約数和(自身を除く): 20824560

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 41983, 83966, 167932, 335864, 671728, 1301473, 2602946, 5205892, 10411784, 20823568]

約数ペア:

[(1, 20823568), (2, 10411784), (4, 5205892), (8, 2602946), (16, 1301473), (31, 671728), (62, 335864), (124, 167932), (248, 83966), (496, 41983)]