20946620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{14347}}^1$

素因数の和:14429

約数の個数: 24

約数和(自身を含む): 44593584

約数和(自身を除く): 23646964

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 14347, 28694, 57388, 71735, 143470, 286940, 1047331, 2094662, 4189324, 5236655, 10473310, 20946620]

約数ペア:

[(1, 20946620), (2, 10473310), (4, 5236655), (5, 4189324), (10, 2094662), (20, 1047331), (73, 286940), (146, 143470), (292, 71735), (365, 57388), (730, 28694), (1460, 14347)]