20855480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22669}}^1$

素因数の和:22703

約数の個数: 32

約数和(自身を含む): 48967200

約数和(自身を除く): 28111720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22669, 45338, 90676, 113345, 181352, 226690, 453380, 521387, 906760, 1042774, 2085548, 2606935, 4171096, 5213870, 10427740, 20855480]

約数ペア:

[(1, 20855480), (2, 10427740), (4, 5213870), (5, 4171096), (8, 2606935), (10, 2085548), (20, 1042774), (23, 906760), (40, 521387), (46, 453380), (92, 226690), (115, 181352), (184, 113345), (230, 90676), (460, 45338), (920, 22669)]