20505844

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{397}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 37053800

約数和(自身を除く): 16547956

約数列:

[1, 2, 4, 37, 74, 148, 349, 397, 698, 794, 1396, 1588, 12913, 14689, 25826, 29378, 51652, 58756, 138553, 277106, 554212, 5126461, 10252922, 20505844]

約数ペア:

[(1, 20505844), (2, 10252922), (4, 5126461), (37, 554212), (74, 277106), (148, 138553), (349, 58756), (397, 51652), (698, 29378), (794, 25826), (1396, 14689), (1588, 12913)]