20928044

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{541}}^1$

素因数の和:1073

約数の個数: 24

約数和(自身を含む): 38698800

約数和(自身を除く): 17770756

約数列:

[1, 2, 4, 19, 38, 76, 509, 541, 1018, 1082, 2036, 2164, 9671, 10279, 19342, 20558, 38684, 41116, 275369, 550738, 1101476, 5232011, 10464022, 20928044]

約数ペア:

[(1, 20928044), (2, 10464022), (4, 5232011), (19, 1101476), (38, 550738), (76, 275369), (509, 41116), (541, 38684), (1018, 20558), (1082, 19342), (2036, 10279), (2164, 9671)]