20743952

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{7243}}^1$

素因数の和:7430

約数の個数: 20

約数和(自身を含む): 40421520

約数和(自身を除く): 19677568

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 7243, 14486, 28972, 57944, 115888, 1296497, 2592994, 5185988, 10371976, 20743952]

約数ペア:

[(1, 20743952), (2, 10371976), (4, 5185988), (8, 2592994), (16, 1296497), (179, 115888), (358, 57944), (716, 28972), (1432, 14486), (2864, 7243)]