20326940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{44189}}^1$

素因数の和:44221

約数の個数: 24

約数和(自身を含む): 44543520

約数和(自身を除く): 24216580

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 44189, 88378, 176756, 220945, 441890, 883780, 1016347, 2032694, 4065388, 5081735, 10163470, 20326940]

約数ペア:

[(1, 20326940), (2, 10163470), (4, 5081735), (5, 4065388), (10, 2032694), (20, 1016347), (23, 883780), (46, 441890), (92, 220945), (115, 176756), (230, 88378), (460, 44189)]